The time to repair an equipment is known to be, Ask an Expert

Statistics

The time to repair an equipment is known to be exponentially distributed with a mean of 45 min.

(a) What is the probability of the machine being repaired within half an hour?

(b) If the machine breaks down at 3 P.M. and a repairman is available immediately, what is the probability of the machine being available for production by the start of the next day? Assume that the repairman is available until 5 P.M.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92194289

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Question 1 a sample of 81 account balances of a credit

Question 1: A sample of 81 account balances of a credit company showed an average balance of $1,200 with a standard deviation of $126. 1. Formulate the hypotheses that can be used to determine whether the mean of all acc ...

Data are collected on the relationship between the number

Data are collected on the relationship between the number of hours per week practicing a musical instrument and scores on a math test. The line of best fit is as follows: y = 72.5 + 2.8x. What would you predict the score ...

The speed of cars on a stretch of road is normally

The speed of cars on a stretch of road is normally distributed with an average 42 miles per hour with a standard deviation of 5.9 miles per hour. What is the probability that a randomly selected car is violating the spee ...

You must choose between investing in stock a or stock b you

You must choose between investing in Stock A or Stock B. You have already used CAPM to calculate the rate of return you should expect to receive for each stock given each one's systematic risk and decided that the expect ...

Many high school students take the ap tests in different

Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year, of the 211,693 students who took the calcu ...

32 of college students say they use credit cards because of

32% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number ...

What is the future value of a 1000 annuity payment over 4

What is the future value of a $1,000 annuity payment over 4 years if the interest rates are 8 percent?

A coin is randomly picked from a collection of 10 coins the

A coin is randomly picked from a collection of 10 coins, the ith coin having a probabiliity i/10 of coming up heads. The coin in then flipped repeatedly until a head appears. Let X be the number of flips necessary. Find ...

Large purple dress inc has some bond outstanding with a 625

Large purple dress INC. HAS SOME BOND OUTSTANDING WITH A 6.25% COUPON AND FOUR YEARS REMAINING UNTIL maturity. Since these bond were issued, interest rates has increased, these bonds are now trading at a 7.375% YTM. Reme ...

A random sample of 12 parts from factory a has an average

A random sample of 12 parts from factory A has an average reliability of 4.48 with a sample standard deviation of 3.19. A random sample of 15 products from factory B has an average reliability of 2.36 with a sample Stand ...

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