Determining the average time to visits the restaurant

Reference no: EM131813325

Question: Borachio eats at the same fast food restaurant every day. Suppose the time X between the moment Borachio enters the restaurant and the moment he is served his food is normally distributed with mean 4.2 minutes and standard deviation 1.3 minutes.

a. Find the probability that when he enters the restaurant today it will be at least 5 minutes until he is served.

b. Find the probability that average time until he is served in eight randomly selected visits to the restaurant will be at least 5 minutes.

Reference no: EM131813325

Questions Cloud

First day of retirement to keep pace with inflation : Tarek is 56 years old and wants to retire in 10 years. how much income must Tarek generate on his first day of retirement to keep pace with inflation?

Confidence interval for the mean distance from home to work : Four hundred randomly selected working adults in a certain state, including those who worked at home, were asked the distance from their home.

Explain password authentication systems : You use usernames and passwords when you sign in an email account, access secured information, or even shop online.

Determine the amounts related to the investment : Assume Miller accounts for its investment in Marlon using the equity method. Ignoring income taxes, determine the amounts related to the investment

Determining the average time to visits the restaurant : Find the probability that average time until he is served in eight randomly selected visits to the restaurant will be at least 5 minutes.

How you might help megan in classroom by supporting capacity : How you might help Megan in classroom by supporting her capacity to remember/retain information, enhance her study skills and organize and process her thoughts.

What will be mary annual deposit : Mary and her insurance company agreed that her account would earn annual interest of 10% for the life of the plan. What will be Mary’s annual deposit?

Compute the accounts receivable turnover at year end : Compute the accounts receivable turnover at year end. Compute days sales in receivables at year end

Why do you think IKEAs expansion into europe went so well : Why do you think IKEAs expansion into Europe went so well? Why did the company subsequently stumble in North America? What lessons did IKEA learn

User Account

All Pages