How do I use the normal distribution calculator to solve the below question? Can you provide...
How do I use the normal distribution calculator to solve the below question?
Can you provide me a screen shot?
The salaries for RNs in a certain city follow an approximately normal distribution with a mean of $69,750 and standard deviation of $3600.
In a sample of 9 RNs, find the mean of the sample mean and the standard error of the mean.
Homework Answers
This is a normal distribution question with
Sample size (n) = 9
Since we know that
Add Answer to:
How do I use the normal distribution calculator to solve the
below question?
Can you provide...
Looking to do this with calculator do I use the normalcdf ? I came up with...
Looking to do this with calculator do I use the normalcdf ? I
came up with fro the first one .1642
2.) Each American uses 650 pounds of paper a year. Suppose that the distribution is approximately normal with a population standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses: a.) More than 800 pounds a year-normalcdf( b.) Less than 400 pounds a year c.) Between 500 and 700 pounds a year 3.) The average...
.HELLO, HOW DO I ANSWER IS QUESTION BY CALCULATOR. I WAS TOLD I CAN USE 2ND...
.HELLO, HOW DO I ANSWER IS QUESTION BY CALCULATOR. I WAS TOLD I CAN USE 2ND VARS (2) NORMAL CDF. THE ANSWERS IS 0.9940. PLEASE WRITE THE STEPS FOR ME TO GET THE ANSWER BY CALCULATOR. THANK YOU. In the past, all patrons of a cinema complex have spent an average of $5.00 for popcorn and other snacks, with a standard deviation of $1.80. If a random sample of 32 patrons is taken, what is the probability that the mean...
normal probability distribution . Provide an appropriate response. (1 point) Samples of size n 15 are...
normal probability distribution
. Provide an appropriate response. (1 point) Samples of size n 15 are randomly selected from the population of numbers (0 through 9) produced by a random-number generator, and the standard deviation is found for each sample. What is the distribution of the sample standard deviations? O normal (approximately) O skewed to the right O skewed to the left O not enough information provided 15. Provide an appropriate response. point) Samples of size n 90 are randomly...
1. how do I solve this problem? please explain how to solve it using the calculator....
1.
how do I solve this problem? please explain how to solve it
using the calculator. thanks!
2.
how do I solve part b? thanks!
21) Find the value of 20.10 Provide a sketch of the solution. area =0.10 Zo.10 Z 23) 3) A binomial A binomial probability with parameters, n = 9 and ps a) Find the probabilities and construct a binomial prob binompdf (9,0.8x) binomial probability distribution: X PEX) 05.12E- 1 1.943E-5 2 2.99EU 10.003 loan 5 10,066...
Solve two different ways, DO NOT USE NORMAL TABLE 4) The lifetime in hours) of a...
Solve two different ways, DO NOT USE NORMAL TABLE
4) The lifetime in hours) of a certain type of light bulb is approximately normal with a mean of 1,000 hours and a standard deviation of 70 hours. What is the probability that the bulb will last between 1050 and 1150 hours? Assume normal distribution. Solve the problem in two (2) completely different ways * 1 way using normal table and 1 way NOT using normal table. (9 marks)
please answer WITHOUT the use of a ti-84 calculator. I do NOT have that calculator. i...
please answer WITHOUT the use of a ti-84 calculator. I do NOT
have that calculator. i need a step by step answer without the
calculator
a we.aa Guionon:. 9. A sample of size 75 will be drawn from a population with mean 10 and standard deviation 12. a. Find the probability that r will be between 8 and 14. b. Find the 15th percentile of T
QUESTION 2 Suppose height of college students can be modeled by the normal distribution. We believe...
QUESTION 2 Suppose height of college students can be modeled by the normal distribution. We believe the mean of this normal distribution is 1.72m. We randomly sample 18 students and from the sample, find an average of 1.69m and a standard deviation of 0.05m. (a) What is the standard error of ? (Round your answer to four decimal places.) (b) Suppose that the standard deviation of the population is known as 0.1m. What is the z score corresponding to X-1.847...
3. The heights of all adults in a large city have an approximately normal distribution with...
3. The heights of all adults in a large city have an approximately normal distribution with a mean of 68 inches and a standard deviation of 4 inches. a) Find the probability that a randomly chosen height is less than 66 inches. b) Write the sampling distribution of sample mean for any sample size. Find the probability that the mean height of a random sample of 100 adults would be between 67.5 inches and 69 inches.
Hello, can you please solve this using the standard normal distribution using the Z. Thank you!...
Hello, can you please solve
this using the standard normal distribution using the Z.
Thank you!
Weekly Ford sales follow a normal distribution, with a mean of 50,000 cars and a standard deviation of 14,000 cars. a There is a 1% chance that Ford will sell more than cars during the next year. b The chance that Ford will sell between 2.4 and 2.7 million cars during the next year is
Salaries of entry-level computer engineers have Normal distribution with unknown mean and variance. Than sample standard...
Salaries of entry-level computer engineers have Normal distribution with unknown mean and variance. Than sample standard deviation of three sample is 20 and sample mean is 50,000. Does this sample provide a significant evidence at a 10% level of significance, that the average salary of all entry-level computer engineers is less than $80,000? Explain (DO NOT SOLVE USING STATISTICS SOFTWARE.)
Looking to do this with calculator do I use the normalcdf ? I
came up with fro the first one .1642
2.) Each American uses 650 pounds of paper a year. Suppose that the distribution is approximately normal with a population standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses: a.) More than 800 pounds a year-normalcdf( b.) Less than 400 pounds a year c.) Between 500 and 700 pounds a year 3.) The average...
normal probability distribution
. Provide an appropriate response. (1 point) Samples of size n 15 are randomly selected from the population of numbers (0 through 9) produced by a random-number generator, and the standard deviation is found for each sample. What is the distribution of the sample standard deviations? O normal (approximately) O skewed to the right O skewed to the left O not enough information provided 15. Provide an appropriate response. point) Samples of size n 90 are randomly...
1.
how do I solve this problem? please explain how to solve it
using the calculator. thanks!
2.
how do I solve part b? thanks!
21) Find the value of 20.10 Provide a sketch of the solution. area =0.10 Zo.10 Z 23) 3) A binomial A binomial probability with parameters, n = 9 and ps a) Find the probabilities and construct a binomial prob binompdf (9,0.8x) binomial probability distribution: X PEX) 05.12E- 1 1.943E-5 2 2.99EU 10.003 loan 5 10,066...
Solve two different ways, DO NOT USE NORMAL TABLE
4) The lifetime in hours) of a certain type of light bulb is approximately normal with a mean of 1,000 hours and a standard deviation of 70 hours. What is the probability that the bulb will last between 1050 and 1150 hours? Assume normal distribution. Solve the problem in two (2) completely different ways * 1 way using normal table and 1 way NOT using normal table. (9 marks)
please answer WITHOUT the use of a ti-84 calculator. I do NOT
have that calculator. i need a step by step answer without the
calculator
a we.aa Guionon:. 9. A sample of size 75 will be drawn from a population with mean 10 and standard deviation 12. a. Find the probability that r will be between 8 and 14. b. Find the 15th percentile of T
QUESTION 2 Suppose height of college students can be modeled by the normal distribution. We believe the mean of this normal distribution is 1.72m. We randomly sample 18 students and from the sample, find an average of 1.69m and a standard deviation of 0.05m. (a) What is the standard error of ? (Round your answer to four decimal places.) (b) Suppose that the standard deviation of the population is known as 0.1m. What is the z score corresponding to X-1.847...
3. The heights of all adults in a large city have an approximately normal distribution with a mean of 68 inches and a standard deviation of 4 inches. a) Find the probability that a randomly chosen height is less than 66 inches. b) Write the sampling distribution of sample mean for any sample size. Find the probability that the mean height of a random sample of 100 adults would be between 67.5 inches and 69 inches.
Hello, can you please solve
this using the standard normal distribution using the Z.
Thank you!
Weekly Ford sales follow a normal distribution, with a mean of 50,000 cars and a standard deviation of 14,000 cars. a There is a 1% chance that Ford will sell more than cars during the next year. b The chance that Ford will sell between 2.4 and 2.7 million cars during the next year is
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