1. Assume the weekly costs for full-time daycare in some large city have a mean of $120, and a standard deviation of $24. Suppose a random sample of 40 daycare facilities is selected. A. Give the properties of the sampling distribution for the sample mean weekly cost. B. What is the probability the sample mean weekly cost will be over $125?
1. Assume the weekly costs for full-time daycare in some large city have a mean of $120, and a standard deviation of $24. Suppose a random sample of 40 daycare facilities is selected. A. Give the properties of the sampling distribution for the sample mean weekly cost. B. What is the probability the sample mean weekly cost will be over $125?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. Assume the weekly costs for full-time daycare in some large city have a
standard deviation of $24. Suppose a random sample of 40 daycare facilities is selected.
A. Give the properties of the sampling distribution for the sample mean weekly cost.
B. What is the probability the sample mean weekly cost will be over $125?
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