If there are 20 women waiting on a line to win basketball tickets, and the probability of a man winning the basketball tickets is 5/9 how many people are trying to win the tickets?

Q: If 64% of the people at a certain conference are doctors, 31% are women, and 29% are female doctors,…

A: Solution

Q: Suppose that 30% of boys opted for mathematics and 50% of girls opted for mathematics. What is the…

A: Given that 30% of the boys opted for mathematics. And 50% of the girls opted for mathematics. Let us…

Q: The probability of drawing three non-face cards in a row from a standard deck of cards when the…

A: In a deck of cards, there are 52 cards. There are 12 face cards among those 52 cards.  So (52-12)=40…

Q: L As only 3 students came to attend the class today, find the probability for exactly 4 students to…

A:

Q: he probability of selecting a bad egg is 0.035 from the lot of 400 eggs. So, what is the number of…

A: Given data, n=400 eggs  probability of selecting a bad egg is p= 0.035 Therefore  probability of…

Q: a. Find the probability of getting exactly 1 girl in 8 births.

A: It is given that X : number of girls among 8 children.

Q: If n = 6 and n = 0.40, what is the probability that X > 1?

A: 4) Answer: Given n = 6 , p =0.40 Using binomial probability nCx x px (1-p)n-x  P(X>1) = 0.76672…

Q: In a shooting game, the probability for Ali to hit a target is , and the probability for Ahmad to…

A: Answer - The probability for Ali to hit a target is   P(A) =  1/2                The probability for…

Q: The probability of getting exactly 1 girl in 8 births

A: Let the random variable x is number of girls. The probability of getting a girl and boy are equal.…

Q: Let the probability of success in shooting player A is 1/4, and the probability of success in…

A:

Q: In a class of 6 girls and 5 boys, what is the probability of having girls and boys seated…

A: The provided information is  6 Girls 5 Boys  The arrangement is Girls on first seat and girls on the…

Q: (d) Suppose the left-turn lane is to have a capacity of five cars and one bus is equivalent to three…

A: Here given joint distribution table for x and y X = no of cars Y = no. Of buses

Q: if the probability of student succeeding in the exam for subject A is twice the probability of…

A:

Q: If 52% of the people at a certain conference are doctors, 44% are women, and 67% are doctors or…

A: The union probability for any two events A and B is defined as P(A or B) = P(A)  + P(B) – P(A and…

Q: If n=6 and mean= .40 , what is the probability that X>1?

A: Given,n=6 , mean=0.40A random variable X~Binomial(n, p)

Q: Suppose we roll 10d6 and observe that the number 6 appears three times. What is the probability…

A: The arrangements of 3 six's among 10 results of dice will form the sample space of the random…

Q: If the odds in favor of Chris winning the election are 5:4, then what is the probability th a) Chris…

A: The odds in favour of Chris winning the election are 5:4.To find the probability that,a)Chris…

Q: In one lottery a player wins the jackpot by matching all five numbers drawn from white balls (1…

A:

Q: If we have 2 dies with 6 faces - How many combinations? What is the probability of getting a 7?…

A: There are 2 dice with 6 faces each so the number of combinations is given by: Since one dice has 6…

Q: 8. The table at the right shows the number of credit Gender/# of Cards Zero 2 or more Total cards…

A: Total numbers  of females  having 2 or more credit cards are 20. Total number of persons are 82.…

Q: The probability of a resident of a certain city being the victim of a serious crime at some point in…

A: It is an important part of statistics. It is widely used.

Q: A crime study for a geographic area showed an average of one home invasion per 40,000 homes. If an…

A: Let X be the random variable from Poisson distribution with (λ) = 60000*(1/40000) = 1.5 Then,  We…

Q: 18. Suppose that, for any survivor of Oceanic flight 815, the probability of getting off the island…

A: P(getting off the island) = P = 0.42 n = 6 therefore, q = 1-P = 0.58   x = no. of getting off the…

Q: The odds in favour of River passing her swimming test on the first try are 13:4.  The probability…

A: Given: The odds in favor of River passing her swimming test on the first try are 13:4

Q: Q. No.1: Find the probability of two persons being born on the same day?

A: Classical Definition of Probability: If there are n mutually exclusive, exhaustive and equally…

Q: 2 The probability of failure in Physics practical examination is 20%. If 25 batches of 6 students…

A:

Q: Question 1 What is the probability that a person has fever given that they have malaria? Question 2…

A: Let's denote some events : M= having malaria F=having fever FL=having flu

Q: Solve the following problems: 25. The probability of a rifleman hitting the target is 5 Suppose he…

A:

Q: There are two bags, one bag contains Smarties and the other bag contains M&M's.  The probability of…

A:

Q: A problem in statistics is given to five students A, B, C, D and E. Their 1 1 1 1 chances of solving…

A: here given , A problem in statistics is given to five students A, B, C, D and E. Their chances of…

Q: For this problem, assume the box contains 8 white balls, 5 blue balls, and 4 red balls, and that we…

A: Number of white balls is 8. Number of blue balls is 5. Number of red balls is 4.

Q: The Wilson family had 7 children assuming that the probability of a child being a girl is 0.5, find…

A: Let "X" be the girl child in Wilson family

Q: At races, your horse, White Rum, has a probability of 1/20 of coming 1st, 1/10 of coming 2nd and a…

A: Given data is : At races, your horse, White Rum, has a probability of 1/20 of coming 1st, 1/10 of…

Q: Assume for this problem that the company has 7 Jeeps and 4 Fords, and two cars are selected randomly…

A: From 7 jeep representative select 2 jeep cars in 7C2 ways. There are total 11 cars including both…

Q: After rolling a fair, six-sided die 100 times, it was observed that the probability of rolling a 2…

A: We know, that on rolling a fair dice, the probability of obtaining 2 on a dice roll is 0.167

Q: If a biased coin has a probability of heads that is twice the probability of tails and is flipped…

A: For a biased coin, Consider the probability of occurring tails = x The probability of heads is twice…

Q: If the probability of rain is 0.7​, the probability of fog is 0.25​, and the probability of rain…

A: For any two non-null events A and B, it is known that P[A ∪ B] = P[A]  + P[B] – P[A ∩ B].

Q: The probability that a song was rock is 0.5, the probability that it had over 1,000 plays is 0.4,…

A:

Q: The probability that X is between 0.46 and 1.1 in the problem below is ?

A: Given: X~ U[0,2] The probability that X is between 0.46 and 1.1 is obtained as below:…

Q: Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students…

A: P(high school students of eating pizza), P(A) = 0.333 P(high school students of drink soda), P(B) =…

Q: Suppose that 40% of boys opted for mathematics and 60% of girls opted for mathematics. What is the…

A: Probability is chance of occurrence of an event ,i.e probability is ratio of number of favourable…

Q: Ex.2 On a roulette wheel, the probability of "red" is 18/38. In 10 spins, a) what is the probability…

A:

Q: (d) If five balls are selected without replacement. What is the probability that we get three red…

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: Suppose that 40% of boys opted for mathematics and 60% of girls opted for mathematics. What is the…

A: Define the events as: B: The student is a boy B' : The student is not a boy (the student is a girl)…

Q: if there are 3 MCQ if we answer randomly(by guessing)  what's the probability of getting exactly one…

A: Consider,Sample size (n) = 3.Assuming probability of success (p) = 0.25

Q: For this problem, assume that the outcomes 1 through 3 are equally likely, that the outcomes 4…

A: Given, For this problem, assume that the outcomes 1 through 3 are equally likely, that the outcomes…

Q: Assume for this problem that the company has 8 BMWs and 5 Hondas, and two cars are selected randomly…

A: Let us denote that: B= both are BMWs H=both are hondas M=both are of the same make.    So, the…

Q: Assume for this problem that the company has 5 Hyundais and 7 Jeeps, and two cars are selected…

A: Given data are: Number of Hyundai cars = 5 Number of Jeeps = 7 Probability of both cars being…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.