For a randomly selected classroom, the probability that a student plays piano is 0.34; the probability that a student plays guitar is 0.18; and the probability that a student plays both piano and guitar is 0.07.  What is the probability that a randomly selected student plays either piano or guitar? A. 0.45 B. 0.66 C. 0.52 D. 0.59

Q: The probability of A is 0.4. The probability of B is 0.5. The probability that neither A nor B…

A: P(A) = 0.4 P(B) = 0.5 P(A'∩B') = 0.1 P(A∩B) = ?

Q: a school night, the probability that a student watches television is 0.71. On a school night, the…

A: To find the probability that the student will do homework .

Q: The probability that a citizen drives to work is 60%. The probability that a citizen drives to work…

A:

Q: The probability that a tennis set will go to a tiebreaker is 14%. What is the probability that two…

A: Let X be the random variable representing the number of sets that go tie-breakers out of total 3…

Q: The probability that Tom will be alive in the next 20 years is 0.7 and the probability that Nancy…

A:

Q: Canadians is chosen, find the probability that fewer than 3 respondents will support the seal hunt.

A:

Q: telemarketing company gets on average 6 orders per 1000 calls. If a company calls 500 people, find…

A:

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: we have to find required probability.

Q: If the probability of a family owning a cat is 0.10, and the probability of owning a dog is 0.20,…

A: From the provided information, Let P(A) represents the probability of owing a cat which is P (A) =…

Q: A fruit bowl contains 4 green apples and 7 red apples. What is the probability that a randomly…

A: Given: Fruit bowl contain 4 green and 7 red apples.

Q: the probability that no students miss the weekly quiz. b. Find the probability that exactly 1…

A: here x and p(X) are givenwe have to find out the given probabilities…

Q: The probability of events A and B is 0.24, and the probability of event A is 0.4. Find the…

A: Solution: From the given information, P (A and B) = 0.24 and P (A) = 0.4.

Q: Two dice are thrown. Determine the probability that a score of 5 or 9 is obtained.

A:

Q: Ten students are given two identical speakers to listen to for differences, if any. Suppose that…

A: Recall the following. PX=k=bk;n,p=nkpk1-pn-kn is thenumber of trialsp is the probability of successq…

Q: cording to a recent survey, the probability that the driver in a fatal vehicle accident is female…

A: GIVEN DATA event A  : river 24 years old or lessevent F : driver in a fatal accident is femaleP(F) =…

Q: A student goes to the library. The probability that the student checks out a book is 40%, the…

A:

Q: A drawer contains only green marbles . After 5 red marbles are added to the drawer,the probability…

A: Suppose, A drawer contained X green marbles originally. Now, 5 red marbles are added.   Number of…

Q: Number of Tests Performed Number of Patients 12 1 8 2 2 3. 4 or more

A:

Q: The probability of events A and B is 0.43, and the probability of event A is 0.9. Find the…

A: Given,P(A∩B)=0.43P(A)=0.9

Q: If the probability of a student taking a math class is 0.40, the probability of taking a physics…

A:

Q: At UB, the probability that a student takes Business Statistics is 0.70. The probability that a…

A: Given Let, A=Student takes business statistics P(A)=0.70 B=Student is on scholarship  P(B)=0.80…

Q: The probability that a student taking math course, given that the student is on the honor roll is…

A: The Probability that a student taking math course, given that the student is on the honor roll is…

Q: The probability of Mario having pasta for dinner is 0.7. Given that he eats pasta, there’s a 0.5…

A:

Q: At Kennedy Middle School, the probability that a student takes Technology and Spanish is 0.12 . The…

A: Conditional probabilities :  Suppose A and B be two events, then, 1. The conditional probability PA…

Q: Que. 7 A bag contains three green, four blue and two orange marbles. If a marble is picked at…

A:

Q: The batteries manufactured by a certain company are tested to see if they last as long as the…

A: Given, probability that a battery passes the test p=0.85 probability that a battery fail the…

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: Here the given information is Assume that male and female births are equally likely and that the…

Q: If the probability of a student taking a calculus class is 0.10, the probability of taking a…

A: According to the provided information, the probability of a student taking a calculus class is 0.10.…

Q: The probability of a particular soccer team winning a game is 0.30.  The probability of the team…

A: From the provided information, The probability of a particular soccer team winning a game = 0.30…

Q: The probability that a child is born physically challenged is 0.35 during a year in a city. What…

A:

Q: C. Solve. 1. During a holiday eve, the probability that a motorist will have an The probability of a…

A: Let us denote: A=the event of having an accident B=the event of being under the influence of…

Q: At university   the probability that a student takes Business Statistics is 0.70. The probability…

A: Solution

Q: Find the probability that a randomly selected student is an accounting major. A. Find the…

A: The given data is summarized in the following table:   Accounting majors Non-Accounting majors…

Q: A die is rolled twice. What is the probability of getting two even numbers? a. 1/6 b. 1/32 c. 1/8 d.…

A: roll a die twice.  there are 6 outcomes possible when we roll die : {1,2,3,4,5,6} {2,4,6} are even…

Q: A person must select 4 numbers from 16 numbers for a single ticket in a lottery game. Only one…

A: