Consider a population of 200 with a mean of 60 and a standard deviation equal to 24. What is the probability of obtaining a sample mean of 63 or less from a sample of 40?
What is the probability of obtaining a sample mean of 63 or less from a sample of 40?
P(x≤63)=
(Round to four decimal places as needed.)
Consider a population of 200 with a mean of 60 and a standard deviation equal to...
Consider a population of 300 with a mean of 50 and a standard deviation equal to 29 What is the probability of obtaining a sample mean of 53 or less from a sample of 45? What is the probability of obtaining a sample mean of 53 or less from a sample of 45? P(`x≤53)=_
Consider a population of 300 with a mean of 65 and a standard deviation equal to 25. What is the probability of obtaining a sample mean of 67 or less from a sample of 40?
Consider a population of 300 with a mean of 50 and a standard deviation equal to 22. What is the probability of obtaining a sample mean of 52 or less from a sample of 40?
Consider a population of 250 with a mean of 55 and a standard deviation equal to 24. What is the probability of obtaining a sample mean of 56 or less with a sample size of 35?
For a population with a mean equal to 200 and a standard deviation equal to 25, calculate the standard error of the mean for the following sample sizes a) 20 b) 50 c) 80 a) The standard error of the mean for a sample size of 20 is (Round to two decimal places as needed.) b) The standard error of the mean for a sample size of 50 is (Round to two decimal places as needed.) c) The standard error...
A normally distributed population has a mean of 475 and a standard deviation of 48. a. Determine the probability that a random sample of size 9 selected from this population will have a sample mean less than 451. b. Determine the probability that a random sample of size 16 selected from the population will have a sample mean greater than or equal to 498. a. P(X<451) = (Round to four decimal places as needed.) b. P(X2498) = 1 (Round to...
For a population with a mean equal to 100 and a standard deviation equal to 30, calculate the standard error of the mean for the following sample sizes. a) 20 b)40 c)60 a) The standard error of the mean for a sample size of 20 is. (Round to two decimal places as needed.)
A population has a mean of 200 and a standard deviation of 60. Suppose a sample of size 100 is selected and is used to estimate . What is the probability that the sample mean will be within +/- 6 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.)
a population has a mean of 200 and a standard deviation of 60. suppose a sample of size is 100 is selected and sample mean is used to estimate the mean. Use z table. a. what is the probability that the sample mean will be within +/-7 of the population mean (to 4 decimals) b. what is the probability that the sample mean will be within +/-16 of the population mean (to 4 decimals) round z value in intermediate calculations...
a) If we assume the population mean is 98.60 and the standard deviation is 0.6, what is the probability of a single person having a temperature of 98.25 or less? (Round to four decimal places. This should be the theoretical probability that is calculated, NOT the empirical probability from the simulation.) b) If we assume the population mean is 98.60 and the standard deviation is 0.6, what is the probability of obtaining a sample mean of 98.25 or less from...