A student takes the campus shuttle bus to reach the, Ask an Expert

Statistics

A student takes the campus shuttle bus to reach the classroom building. The shuttle bus arrives at his stop every 15 minutes but the actual arrival time at the stop is random. The student allows 10 minutes waiting time for the shuttle in his plan to make it in time to the class.

a. What is the expected waiting time? What is the variance?

b. What is the probability that the wait will be between four and six minutes?

c. What is the probability that the student will be in time for the class?

d. If he wants to be 95% con?dent of being on time for the class, how much time should he allow for waiting for the shuttle?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91675637

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Describe the steps you tooknbspthere are 652 males 396 say

Describe the steps you took. There are 652 males, 396 say they have been to dentist in past year. Give a confidence interval for 90% of the population proportion .

Te critical boundaries zcrit for a hypothesis test are z

The critical boundaries (Zcrit) for a hypothesis test are z = +1.96 and z = -1.96. If the z-score for the sample data is z = -1.90, then what is the correct statistical decision? A) Reject H1 B) Fail to reject H1 C) Re ...

Now assume that i am talking about a normally distributed

Now assume that I am talking about a normally distributed set of data: An IQ test. This IQ test has a mean of 100 and a standard deviation of 15. Find the following probabilities What is the probability that someone scor ...

Question 1 a random variable x is defined as the difference

Question: 1) A random variable X is defined as the difference between the higher value and the lowervalue when two dice are thrown. If they have the same value, X is zero. a.) Find the probability distribution for X. b.) ...

A diamond can be classified as either gem qulaity or

A Diamond can be classified as either gem qulaity or industrial grade. Suppose that 92% of diamonds are classified as industrial grade. Would it be unusual if atleast one of five randomly selected diamonds is gem quality ...

1 what is the price of a semiannual 1000 par value bond

1) What is the price of a semiannual $1,000 par value bond with four years left until maturity that pays a coupon of 3.75% and is yielding 5.25%? What would it be yielding if the price decreased to $973.47? Assume semian ...

The managers of a car store observe that 70 of all the cars

The managers of a car store observe that 70% of all the cars they sell are bought by people who already own a car. They also observe that 50% of the customers who come to the store but do not buy a car, already own one. ...

Dave and ellen are newly married and living in their first

Dave and Ellen are newly married and living in their first house. The yearly premium on their homeowner's insurance policy is $400 for the coverage they need. Their insurance company offers a discount of 8 percent if the ...

Describe the theoretical problems of ethics 3 the

Describe the theoretical problems of ethics (3), the objectives to solving them.

In a panel discussion with 3 industry reps 2 government

In a panel discussion with 3 industry reps, 2 government reps, and 1 association rep, how many ways can they be seated along a row a) With no restrictions (each person can sit anywhere)? b) If the 3 industry reps must si ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert