Each of 12 refrigerators of a certain type have been, Ask an Expert

Statistics

Each of 12 refrigerators of a certain type have been returned to the distributor because of loud noise. Suppose that 7 of these have defected compressor and 5 have a broken ice cube tray. The refigerators will be excamined one by one in ramdon order. Let X be number amoung the first 6 examined that have a defective compressor. Calculate :

1) P(x=5)

2) P(<= 4)

3) The expected value ot X

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91004067

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The standard deviation of the market-index portfolio is 45

The standard deviation of the market-index portfolio is 45%. Stock A has a beta of 1.20 and a residual standard deviation of 55%. a-1. Calculate the total variance of stock A if its beta is increased by 0.20? (Do not ro ...

Problem 1 you toss a coin ten times and observe the

Problem 1. You toss a coin ten times and observe the sequence of heads and tails that results. a. How many possible outcomes are there? b. What's the probability that you will get at least one "heads"? Problem. An urn co ...

1 it appears that new car purchases have peaked in 2018 vs

1) It appears that new car purchases have peaked in 2018 vs. used car purchases. The following probability distribution table shows the random variable x, where x is the number of new cars purchased by household during t ...

For the dataset38 39 41 42 42 43 43 45 45 47 50 50 51 51 53

For the dataset 38, 39, 41, 42, 42, 43, 43, 45, 45, 47, 50, 50, 51, 51, 53, 54 Without doing any calculations, estimate which of the following numbers is closest to the mean.

A student must answer 6 multiple choice questions for a

A student must answer 6 multiple choice questions for a test, but the student did not study well. There are 6 answers per question, but only one is correct. If the student randomly guesses on each questions, what is the ...

The mean throwing distance of a football for a luis a high

The mean throwing distance of a football for a Luis, a high school freshman quarterback, is 50 yards, with a standard deviation of three yards. The team coach tells Luis to adjust his grip to get more distance. The coach ...

Across the nine cities in multilevel multivariate analysis

Across the nine cities, in multilevel, multivariate analysis, controlling for income inequality (GINI coefficient), percent living in poverty and percent Non-Hispanic Black population, the ZIP code level overall HIV diag ...

John plans to take three suits on his business trip if john

John plans to take three suits on his business trip. If John owns 8 suits, how many ways can the 3 suits be selected?

The computer systems department has 8 faculty 6 are tenured

The computer systems department has 8 faculty, 6 are tenured. A committee is formed of 3 faculty members. If members are submitted at random: - What is the probability all members of the committee are tenured? - What is ...

Consider a binomial probability distribution with p03

Consider a binomial probability distribution with p=0.3. Complete parts a through c below. a. Determine the probability of exactly four successes when n=5 P(4)=

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