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 |
