In order for a candy company to claim that a bridge mix is mostly chocolate stars, a proportion of at least 0.8 of the packages must contain 3 ounces or more of chocolate stars. Quality control tests a random sample of 50 packages to determine if the proportion is less than 0.8 at a significance level of 0.05. Use Sheet 5 of the Excel file to calculate p, the z-score, and the p-value. p = Ex: 1.234 z = p= Since the p-value is Pick ✓than the significance level 0.05, the null hypothesis Pick Pick ✓evidence exists that the proportion of packages with 3 ounces or more of chocolate stars is less than 0.8.
In order for a candy company to claim that a bridge mix is mostly chocolate stars, a proportion of at least 0.8 of the packages must contain 3 ounces or more of chocolate stars. Quality control tests a random sample of 50 packages to determine if the proportion is less than 0.8 at a significance level of 0.05. Use Sheet 5 of the Excel file to calculate p, the z-score, and the p-value. p = Ex: 1.234 z = p= Since the p-value is Pick ✓than the significance level 0.05, the null hypothesis Pick Pick ✓evidence exists that the proportion of packages with 3 ounces or more of chocolate stars is less than 0.8.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 25PFA
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Data from sheet 5
Transcribed Image Text:Start
In order for a candy company to claim that a bridge mix is mostly chocolate stars, a proportion of at least
0.8 of the packages must contain 3 ounces or more of chocolate stars. Quality control tests a random
sample of 50 packages to determine if the proportion is less than 0.8 at a significance level of 0.05. Use
Sheet 5 of the Excel file to calculate p, the z-score, and the p-value.
p
= Ex: 1.234
Z=
P =
Since the p-value is Pick ✓ than the significance level 0.05, the null hypothesis Pick
Pick
✓ evidence exists that the proportion of packages with 3 ounces or more of chocolate stars is
less than 0.8.
3
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