7.16 How do you position yourself when you are going to sleep? A website tells us...

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7.16 How do you position yourself when you are going to sleep? Awebsite tells us that 41% of use start in the fetal position,another 28% start on our side with legs straight, 13% start ontheir back, and 7% on their stomach. The remaining 11% have nostandard starting sleep position. If a random sample of 1000 peopleproduces the frequencies in the table below, should you doubt theproportions given in the article in the website? Show all thedetails of the test, and use a 5% significance level.
Sleep Position
Frequency
Fetal
391
Side, legs straight
257
Back
156
Stomach
89
None
107
Total
1000

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null hypothesis Ho proportion of people position in sleep is as stated given in the article in the website Alternate hypothesis Ho proportion of people position in sleep is not as See Answer

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Sleep Position	Frequency
Fetal	391
Side, legs straight	257
Back	156
Stomach	89
None	107
Total	1000