8.4.20 Given the discrete uniform population shown to the right find the probability that a random sample of size 9...
Given the discrete uniform population 32 f(x) = x = 2, 4, 6, 10, elsewhere, find the probability that a random sample of size 54, selected with replacement, will yield a sample mean greater than 4.1 but less than 4.4. Assume the means are measured to the nearest tenth.
3 19. Given discrete uniform population f(x)= x-2,4,6 o otherwise Find probability thata random sample af 54 is selected with replacement will produce a sample mean greater than 4.1 but less than Assume means are measured to nearest 10th value
Given the discrete uniform population with parameter N = 8, find the probability that a random sample of size 36, selected with replacement, will produce a sample mean greater than 5. Answer using 4 decimals.
Given the discrete uniform population with parameter N = 8, find the probability that a random sample of size 36, selected with replacement, will produce a sample mean greater than 5. Write the answer with 4 decimals.
Suppose a simple random sample of size n=64 is obtained from a population with u = 86 and o = 8. (a) Describe the sampling distribution of x. (b) What is P (X> 87.5)? (c) What is P (xs83.95) ? (d) What is P (84.55 < x < 87.9) ? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Choose the correct description of the shape...
89 and a = 6. Suppose a simple random sample of size n = 36 is obtained from a population with (a) Describe the sampling distribution of x. (b) What is P (x >90.65) ? (c) What is P (xs 86.85) ? (d) What is P (87.9<x<90.9) ? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Choose the correct description of the shape of the...
Suppose a simple random sample of size n=1000 is obtained from a population whose size is N=1,000,000 and whose population proportion with a specified characteristic is p=0.56. Complete parts (a) through (c) below Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2) (a) Describe the sampling distribution of p O A. Approximately normal, A=0.56 and CAR 0.0005 OB. Approximately normal, Ha=0.56 and 0.0002 &c. Approximately normal, p=0.56...
Suppose a simple random sample of size n= 150 is obtained from a population whose size is N=15,000 and whose population proportion with a specified characteristicis p=02 bts Click here to view the standard normal distribution table (page 11 Click here to view the standard normal distribution table (page 2) HA=02 (Round to one decimal place as needed) Determine the standard deviation of the sampling distribution of GA 0.326599 (Round to six decimal places as needed) Pulm (b) What is...
For the standard normal distribution shown on the right find the probability of z occurring in the indicated region. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. A -0.58 The probability is a (Round to four decimal places as needed.)
A random sample of size n=12 obtained from a population that is normally distributed results in a sample mean of 455 and sample standard deviation 116 An independent sample of silen.17 obtained from a population that is normally distributed results in a sample mean of 528 and sample standard deviation 15.1. Does this constate suficient evidence to conclude that the population means differ at the a=0 10 level of significance? Click here to view the standard normal distribution table (page...