A randomly selected value from a normal distribution is found to be 2.1 standard deviations above...
A randomly selected value from a normal distribution is found to be 2.1 standard deviations above its mean. What is the probability that a randomly selected value from the distribution will be less than 2.1 standard deviations from the mean?
| 0.9976 |
| 0.9821 |
| 0.9712 |
| 0.9488 |
Homework Answers
solution:- option B. 0.9821
the probability that a randomly selected value from the distribution will be less than 2.1 standard deviations from the mean 0.9821
P(Z<2.1) = 0.9821
Add Answer to:
A randomly selected value from a normal distribution is found to
be 2.1 standard deviations above...
1) What is the probability of a randomly selected value from a normally distributed population falling...
1) What is the probability of a randomly selected value from a normally distributed population falling within 1.5 standard deviations of the mean? 8) What is the probability of a randomly selected value from a normally distributed population NOT being between 0.68 standard deviations below the mean and 1.5 standard deviations above the mean? ***For the following questions, assume a business has an average daily revenue of $1200 and revenue levels are found to be normally distributed with a standard...
In a normal distribution, a data value located 0.5 standard deviations below the mean has Standard...
In a normal distribution, a data value located 0.5 standard deviations below the mean has Standard Score: z = In a normal distribution, a data value located 2.4 standard deviations above the mean has Standard Score: z = In a normal distribution, the mean has Standard Score: z =
A random variable follows the normal probability distribution with a mean of 80 and a standard...
A random variable follows the normal probability distribution with a mean of 80 and a standard deviation of 20. What is the probability that a randomly selected value from this population a) is less than 90? b) is less than 65? please spell the steps involved in calculations. Show all work
A distribution of values is normal with a mean of 58.7 and a standard deviation of...
A distribution of values is normal with a mean of 58.7 and a standard deviation of 48.9. Find the probability that a randomly selected value is less than 48.9. P(X < 48.9) =
A random variable follows the normal probability distribution with a mean of 80 and a standard...
A random variable follows the normal probability distribution with a mean of 80 and a standard deviation of 20. Determine the probability for a randomly selected value from this population in parts a through d below. a. is less than 90 b. is less than 65 c. is more than 110 d. is more than 40.
A random variable follows the normal probability distribution with a mean of 100 and a standard...
A random variable follows the normal probability distribution with a mean of 100 and a standard deviation of 10. Determine the probability for a randomly selected value from this population in parts a through d below. Click here to view page 1 of the standard normal probability table. Click here to view page 2 of the standard normal probability table. a. What is the probability that the value is less than 80? The probability that the value is less than...
A random variable follows the normal probability distribution with a mean of 100 and a standard...
A random variable follows the normal probability distribution with a mean of 100 and a standard deviation of 10. Determine the probability for a randomly selected value from this population in parts a through d below. Click here to view.pa a. What is the probability that the value is less than 80? The probability that the value is less than 80 is (Round to four decimal places as needed.) b. What is the probability that the value is less than...
Assuming that the population (or sample) has a normal distribution, how many standard deviations above and...
Assuming that the population (or sample) has a normal distribution, how many standard deviations above and below the mean contains 99% of the population (or sample)?
For a standard normal distribution, find the percentage of data that are within 1.5 standard deviations...
For a standard normal distribution, find the percentage of data
that are within 1.5 standard deviations from the mean.
Group of answer choices
Question 1 0.11 pts For a standard normal distribution, find the percentage of data that are within 1.5 standard deviations from the mean. 43.32% 86.64% 93.32% 6.68%
4. Probability computations using the standard normal distribution Assume that x, the starting salary offer for...
4. Probability computations using the standard normal distribution Assume that x, the starting salary offer for education majors, is normally distributed with a mean of $46,292 and a standard deviation of $4,320 Use the following Distributions tool to help you answer the questions. (Note: To begin, click on the button in the lower left hand corner of the tool that displays the distribution and a single orange line.) Standard Normal Distribution Mean 0.0 Standard Deviation-1.0 -2 .3 The probability that...
A random variable follows the normal probability distribution with a mean of 100 and a standard deviation of 10. Determine the probability for a randomly selected value from this population in parts a through d below. Click here to view.pa a. What is the probability that the value is less than 80? The probability that the value is less than 80 is (Round to four decimal places as needed.) b. What is the probability that the value is less than...
For a standard normal distribution, find the percentage of data
that are within 1.5 standard deviations from the mean.
Group of answer choices
Question 1 0.11 pts For a standard normal distribution, find the percentage of data that are within 1.5 standard deviations from the mean. 43.32% 86.64% 93.32% 6.68%
4. Probability computations using the standard normal distribution Assume that x, the starting salary offer for education majors, is normally distributed with a mean of $46,292 and a standard deviation of $4,320 Use the following Distributions tool to help you answer the questions. (Note: To begin, click on the button in the lower left hand corner of the tool that displays the distribution and a single orange line.) Standard Normal Distribution Mean 0.0 Standard Deviation-1.0 -2 .3 The probability that...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago