Austin decided to give Taylor Swift another chance. So, he listened through all her songs from 2009. There were 8 in total. Let the random variable X be the number of songs in which she complained about some boy. The probability of complaining about a boy is 56%.   a.) Is X a discrete or continuous random variable? How do you know?   b.) What are the possible values of X?   c.) What is the probability distribution function of X?

Q: A test was given to a group of students. The grades and gender are summarized belo A B Total Male 20…

A: Given table    A B C Total Male 20 9 15 44 Female 7 16 18 41 Total 27 25 33 85

Q: C. The probability that the the child will be older than 5 years old? | 0.8681 d. The probability…

A: Consider that the answer of the given part a, b, and c are the correct answer. And distribution is…

Q: 5. Calculate: A. Probability of female respondents B. Probability of respondents who do not like…

A:

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: The number of trees planted at FRIM is not more than 45 trees a day. The probability that there are…

A: From the information, given thatLet X denotes the number of trees planted in a day

Q: A physics class has 50 students. Of these, 18 students are physics majors and 16 students are…

A: From the given information, total number of students n(S) = 50. Number of physics majors n(Physics)…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Total Cards in deck = 52 Number of club in the deck = 13 Number of spade in the deck= 13 Probability…

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

A:

Q: A test was given to a group of students. The grades and gender are summarized below A Male 16 19 14…

A: A B C total male 16 19 14 49 female 20 11 2 23 total 36 30 16 80

Q: The Wilson family was one of the first to come to the U.S. They had 8 children. Assuming that the…

A: given data sample size (n) = 8 childrensP(girl) = p = 0.5x = no. of girls family hadP(x=X)=…

Q: An animal shelter recorded the animals purchased by the 400 people who walked into the shelter.…

A: DOG FOOD CAT FOOD NO FOOD Total CAT 50 62 46 158 DOG 120 58 4 182 NO ANIMAL 30 20 10 60…

Q: .A test wWas given to a group of students. The grades and gender are summarized below. A Total Male…

A: Required probability is P(female)

Q: In one Introductory Statistics class, the probability that a student will pass the first test is…

A: events: A: pass first test  B: pass second test   P(A) = 0.55         P(A') = 1 - 0.55 = 0.45 P(B|A)…

Q: The Wilson family had 6 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Let n be the number of children's in a family = 6 Let p be the probability of a child being a girl =…

Q: The probability that my son gets enough sleep at night is 58% and the probability that he gets in…

A: Solution.

Q: Find the indicated probability. Find the probability of exactly 9 girls in 10 births. Assume that…

A: Given that  Number of trials n=10 Success of probability p =0.5 X~binomial (n,p) Here we use…

Q: Let X denote that number of years I will use my current computer, and Y the number of years that I…

A: Let X denote that number of years I will use my current computer and Y the number of years that I…

Q: find the probability of getting someone who is women or a heavy drinker

A: It is given that Total = 410 Number of women = 215 Number of heavy drinker = 12 Number of women and…

Q: 1. The Journal of the National Cancer Institute published the following results from a study they…

A: Given information: Total number of American male adults sampled is, n = 154706. The contingency…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.