I'm currently working on sampling distribution and proportions in my college intro to stats class. I'm stuck on this question: A candy company that makes colored candies claims that​ 10% of the candies it produces are green and that bags are packed randomly. In a really large bag of​ candies, we found​ 12% of 500 candies were green. Is this evidence that the manufacturing process is out of control and has made too many​ greens? Explain. I need to find out how many standard deviations the observation is above the mean.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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I'm currently working on sampling distribution and proportions in my college intro to stats class. I'm stuck on this question:

A candy company that makes colored candies claims that​ 10% of the candies it produces are green and that bags are packed randomly. In a really large bag of​ candies, we found​ 12% of 500 candies were green. Is this evidence that the manufacturing process is out of control and has made too many​ greens? Explain.

I need to find out how many standard deviations the observation is above the mean.

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