Further 20 students get both questions 1 and 2 incorrect, Ask an Expert

Statistics

Among 110 students in a probability class, on a three-question exam, 30 get question 1 incorrect, 40 get question 2 incorrect, and 23 get question 3 incorrect. Further, 20 students get both questions 1 and 2 incorrect, 15 get both questions 2 and 3 incorrect, and 8 get both questions 1 and 3 incorrect, and 7 get all three questions incorrect. Find the probability that a randomly selected student:

(a) Gets question 1 incorrect but gets question 2 correct.

(b) Gets questions 2 and 3 incorrect but gets question 1 correct.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9354424

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Shekhar plans to invest 1820 in a mutual fund at the end of

Shekhar plans to invest $1,820 in a mutual fund at the end of each of the next six years. If his opportunity cost rate is 8 percent compounded annually, how much will his investment be worth after the last annuity paymen ...

A student must answer 15 truefalse questions for a test but

A student must answer 15 true/false questions for a test, but the student did not study well. If the student randomly guesses on each question , what is the probability that the student answers 3 questions correctly?

A forest type consists of three species of trees25 are

A forest type consists of three species of trees: 25% are Douglas-fir 40% are Hemlock 35% are Western Red Cedar a) What is the probability that a tree selected at random will be a Douglas-fir? b) What is the probability ...

You know that the price of sunland inc stock will be 36

You know that the price of Sunland, Inc., stock will be $36 exactly one year from today. Today the price of the stock is $34. Determine what must happen to the price of Sunland, Inc., today in order for an investor to ge ...

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 ...

A watters umbrella corp issued 12-year bonds 2 years ago at

a) Watters Umbrella Corp. issued 12-year bonds 2 years ago at a coupon rate of 7.8 percent. The bonds make semiannual payments. If these bonds currently sell for 105 percent of par value, what is the YTM? (Write down the ...

A cupcake stand has 40 chocolate 30 coconut and 20 banana

A cupcake stand has 40 chocolate, 30 coconut and 20 banana cupcakes. Alice chooses 20 cupcakes at random to make a box as a present for her friend. What is the probability that she chose a. Eight banana and 6 coconut cup ...

Please help me find out how to calculate stock pricewhat is

Please help me find out how to calculate stock price. "What is the price of Company A's stock.We know company A pay dividend twice a year. And its beta=1.5 Government bond's Coupon is 8.8 and Yield is 5%(which one you sh ...

The national safety council reported that 52 of american

The National safety council reported that 52% of American turnpike drivers are men. A sample of 300 cars traveling southbound on the New Jersey Turnpike yesterday revealed that 170 were driven by men. At a 99% level of c ...

A process is normally distributed with a mean of 104

A process is normally distributed with a mean of 104 rotations per minute and a standard deviation of 8.2 rotations per minute. If a randomly selected minute has 118 rotations per minute, would the process be considered ...

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