Formulas: np;√√np(1 − p) ; - p(1-P) n ; 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. 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?
Formulas: np;√√np(1 − p) ; - p(1-P) n ; 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. 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?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Transcribed Image Text:Question 11
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?
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