A fast food restaurant sells hamburgers and chicken sandwiches. On a typical weekday the demand for hamburgers is normally distributed with mean 313and a s standard deviation of 57; the demand for chicken sandwiches is normally distributed with a mean of 93 and a standard deviation of 22. How many hamburgers must the restaurant tock to be 98% sure of not running on a given day? How many chicken sandwiches must the restaurant tock to be 98% sure of not running on a given day?If the restaurant stocks 400 hamburgers and 150 chicken sandwiches for a given day, what is the probability that it will run out of hamburgers, chicken sandwiches or both that day? (Assume the demand for hamburgers and the demand for chicken sandwiches are probabilistically independent)

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A: Given: Daily μ=28372.72σ=2000 On Tuesday x=34885.21

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A: According to our guidelines, we can answer only three subparts, so please repost the rest parts.

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A:

Q: population with a standard deviation of 20, how large a sample is necessary to have a standard error

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A: It is an important part of statistics. It is widely used.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.