# Question: The percentage of customers who enter a restaurant and ask

The percentage of customers who enter a restaurant and ask to be seated in a smoking section is 15%. Suppose that 100 people enter the restaurant.

a. What is the expected number of people who request a smoking table?

b. What is the standard deviation of the number of requests for a smoking table?

c. What is the probability that 20 or more people request a smoking table?

a. What is the expected number of people who request a smoking table?

b. What is the standard deviation of the number of requests for a smoking table?

c. What is the probability that 20 or more people request a smoking table?

## Answer to relevant Questions

Lotteries are an important income source for various governments around the world. However, the availability of lotteries and other forms of gambling have created a social problem: gambling addicts. A critic of ...According to climatologists, the long-term average for Atlantic storms is 9.6 per season (June 1 to November 30), with 6 becoming hurricanes and 2.3 becoming intense hurricanes. Find the probability of the following ...In a recent census, the number of color televisions per household was recordeda. Develop the probability distribution of X, the number of color televisions per household.b. Determine the following probabilities.P1X ≤ ...The joint probability distribution of X and Y is shown in the following table.a. Determine the marginal distributions of X and Y.b. Compute the covariance and coefficient of correlation between X and Y.c. Develop the ...a. Du Pont (DD) (25%), Exxon (XOM) (25%), Verizon Communications (VZ), (25%), Intel (INTC) (25%)b. DD (40%), XOM (30%), VZ (20%), INTC (10%)c. DD (10%), XOM (20%), VZ (30%), INTC (40%)d. Which portfolio would a gambler ...Post your question