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A Food Marketing Institute found that 38% of households spend more than $125 a week on groceries. Assume the population proportion is 0.38 and a simple random sample of 130 households is selected from the population. Please answer the following questions, and show your answers to 4 decimal places if possible. a. What is the distribution of p? p - N b. What is the probability that the sample proportion of households spending more than $125 a week is more than 0.37? c. What is the probability that the sample proportion of households spending more than $125 a week is between 0.4 and 0.43? Check Answer

A Food Marketing Institute found that 38% of households spend more than $125 a week on groceries. Assume the population proportion is 0.38 and a simple random sample of 130 households is selected from the population. Please answer the following questions, and show your answers to 4 decimal places if possible. a. What is the distribution of p? p - N b. What is the probability that the sample proportion of households spending more than $125 a week is more than 0.37? c. What is the probability that the sample proportion of households spending more than $125 a week is between 0.4 and 0.43? Check Answer

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Formulas: np; np(1 - p); Here is the quick link to the scientific calculator, and from there, you may navigate to any online statistics calculators using the "Content" tab on the upper-left-hand side. esc. A Food Marketing Institute found that 38% of households spend more than $125 a week on groceries. Assume the population proportion is 0.38 and a simple random sample of 130 households is selected from the population. Please answer the following questions, and show your answers to 4 decimal places if possible. a. What is the distribution of p? p - N( b. What is the probability that the sample proportion of households spending more than $125 a week is more than 0.37? Check Answer c. What is the probability that the sample proportion of households spending more than $125 a week is between 0.4 and 0.43? 11 1 p(1 - p) F1 @ 2 n F2 σ #3 3 80 F3 $ 4 ↸ a F4 % 5 0 F5 MacBook Air ^ 6 F6 8
Transcribed Image Text:Formulas: np; np(1 - p); Here is the quick link to the scientific calculator, and from there, you may navigate to any online statistics calculators using the "Content" tab on the upper-left-hand side. esc. A Food Marketing Institute found that 38% of households spend more than $125 a week on groceries. Assume the population proportion is 0.38 and a simple random sample of 130 households is selected from the population. Please answer the following questions, and show your answers to 4 decimal places if possible. a. What is the distribution of p? p - N( b. What is the probability that the sample proportion of households spending more than $125 a week is more than 0.37? Check Answer c. What is the probability that the sample proportion of households spending more than $125 a week is between 0.4 and 0.43? 11 1 p(1 - p) F1 @ 2 n F2 σ #3 3 80 F3 $ 4 ↸ a F4 % 5 0 F5 MacBook Air ^ 6 F6 8
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