A candy company claims that their bags of jellybeans have a mear weight of 9.45 oz. 125 randomly chosen bags of jellybeans were sampled, and it was discovered that their mean weight was 9.68 oz, with a standard deviation of 1.23 oz. Test this hypothesis using a 99% confidence level.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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. A candy company claims that their bags of jellybeans have a mean
weight of 9.45 oz. 125 randomly chosen bags of jellybeans were
sampled, and it was discovered that their mean weight was 9.68
oz, with a standard deviation of 1.23 oz. Test this hypothesis using
a 99% confidence level.
Fail to reject the null hypothesis. There is enough evidence to
oppose the company's claim.
Reject the null hypothesis. There is not enough evidence to
oppose the company's claim.
Fail to reject the null hypothesis. There is not enough evidence
to oppose the company's claim.
Reject the null hypothesis. There is enough evidence to oppose
the company's claim.
Transcribed Image Text:. A candy company claims that their bags of jellybeans have a mean weight of 9.45 oz. 125 randomly chosen bags of jellybeans were sampled, and it was discovered that their mean weight was 9.68 oz, with a standard deviation of 1.23 oz. Test this hypothesis using a 99% confidence level. Fail to reject the null hypothesis. There is enough evidence to oppose the company's claim. Reject the null hypothesis. There is not enough evidence to oppose the company's claim. Fail to reject the null hypothesis. There is not enough evidence to oppose the company's claim. Reject the null hypothesis. There is enough evidence to oppose the company's claim.
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