Question: a) In a random sample of 500 people eating lunch at a hospitalcafeteri

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Question:                                                                                      a)
In a random sample of 500 people eating lunch at a hospitalcafeteria on various Fridays, it was found that preferred seafood.Find 95% confidence interval for the actual proportion of peoplewho eat seafood on Fridays at this cafeteria. b)
The mean and standard deviation for the quality grade-pointaverages of a random sample are calculated to be 2.6 and 0.3. Howlarge sample is required if we want to be 95% confident that ourestimate will not be in error by more than 0.05. a)
In a random sample of 500 people eating lunch at a hospitalcafeteria on various Fridays, it was found that preferred seafood.Find 95% confidence interval for the actual proportion of peoplewho eat seafood on Fridays at this cafeteria. b)
The mean and standard deviation for the quality grade-pointaverages of a random sample are calculated to be 2.6 and 0.3. Howlarge sample is required if we want to be 95% confident that ourestimate will not be in error by more than 0.05.

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below is the missed value of value.

In a random sample of 500 people eating lunch at a hospitalcafeteria on various Fridays, it was found thatx=160 preferred seafood. Find 95% confidenceinterval for the actual proportion of people who eat seafood onFridays at this cafeteria.

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