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How much does the fat content of Brand Xhot dogs vary? To find out, researchers measured the fat content (in grams) of a random sample of 10Brand X hot dogs. A 95%confidence interval for the population standard deviation Sis 2.84to 7.55.

1. Interpret the confidence interval.

Short Answer

Expert verified

There is 95% surety that the population standard deviation of fat content of hot dogs of brand X will be lying between 2.84 to 7.55g.

Step by step solution

01

Given Information

Confidence interval =(2.84,7.55).

Number of dogs (n)=10.

Confidence level =95%.

02

Explanation

There is 95%surety that the population standard deviation of fat content of hot dogs of brand Xwill be lying between 2.84to7.55g

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Rating dorm food Latoya wants to estimate what proportion of the seniors at her high school like the cafeteria food. She interviews an SRS of 50of the 175 seniors living in the dormitory. She finds that 14 think the cafeteria food is good.

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