In an animal shelter, 100 cats and 50 dogs are being accommodated. Table below shows age group of the cats and dogs. Is the probability of being old equal in cats and dogs? Make a hypothesis test and report a Dvalue

Q: The Royal Armouries Museum receives 48 people per hour during weekdays. What is the probability of…

A: Let X denote the number of people receive in 5 minutes. It is given that Number of people in 60…

Q: Given that a random person just tested positive, determine the probability of having this illness.

A: Here use tree diagram

Q: Nine percent of the population has blood type B. If we choose 18 people at random, what is the…

A: Given,n=18p=0.09q=1-0.09=0.91Let X= no.of people have blood type B in a sample of 18…

Q: After rolling a 6 sided dice 40 times, what is the probability of obtaining an average that is less…

A: Define the Random Variables, Xi : Outcome in the ith die i = 1,2,3,....,40 PMF of Xi , P(Xi=xi) =…

Q: What is the probability of randomly selecting a 3-children family with two girls?

A: We will first list all possible outcomes in the sample space, then we will use following definition…

Q: What is the probability that a randomly selected person from the population tests positive?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: Thirty-five percent of the people who own cellphones use their phones to send and receive text…

A: Given,n=3p=0.35Let X=no.of people use their phones for textingX~Binomial(n=3 , p=0.35)P(X=x)=3x…

Q: What is the probability of getting three sixes in five tosses of a die?

A: Let us denote X=the number of sixes n=sample size=5 p=probability of success in each toss=16…

Q: In a family with 4 children, excluding multiple births, what is the probability of having exactly 1…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: About 8% of the U.S. population catches the flu each season. Assuming everyone has equal probability…

A: Given: About 8% of the U.S. population catches the flu each season.

Q: Ms. Kim orders a pizza with 5 toppings, chosen from 11 available toppings. What is the probability…

A: Let A and B be the two events, the probability of event A or B but not both is nothing but P(A and…

Q: thirteen percent of adults are left handed. in a group of 30 adults, what is the probability of…

A: Let X=the number of lefty n=number of trials= 30 p=probability of success= 13%=0.13 X follows a…

Q: ·An unbiased die is thrown 8 times. What is the probability of getting a six in at least one of the…

A:

Q: When rolling a pair of dice, what is the probability of getting a shm of 5?

A:

Q: In a family with 7 children, excluding multiple births, what is the probability of having exactly 1…

A: It is given that there is equal chances of having a boy and a girl. So the probability of having a…

Q: Sixty percent of the tourists in London go to Buckingham Palace and forty percent visit Kensington…

A: Given Information: Sixty percent of the tourists in London go to Buckingham Palace i.e., P(BP) = 60%…

Q: What is the probability of selling 15 cheesecakes in a given day? What is the probability of selling…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: In a recent study, 35% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: It is given that 35% of the people surveyed indicate chocolate was their favourite flavour of ice…

Q: When rolling two dice, what sum on the dice is most probable?  What is the probability?

A: Sample set for rolling two dice S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)       (2,1) (2,2) (2,3)…

Q: In a smaller animal shelter, 12 cats and 5 dogs are being accommodated. Table below shows age group…

A: Given, n1(No. of dogs)=5 X1(No. of old dogs)=4 n2(No. of cats)=12 X2(No. of old cats)=7 Thefore the…

Q: What is the probability of having 3 boys given the oldest is a boy?

A: The theory of probability has its origin in the seventeenth century. The king of France who…

Q: what is the probability all three would be smokers?

A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…

Q: What is the probability that the car lot will sell at least 18 cars? What is the probability that a…

A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…

Q: What is the probability that the consumer is 18-24 years of age, given that they dislike…

A: To find the required probabilities, we will use the following facts P(A | B) = P(A and B)/P(B) P(A…

Q: What is the probability of choosing a candy that is made with white chocolate and caramel?

A: Assuming the box has 8x chocolates White chocolates will be 4x Milk chocolates will be 4x

Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: Given that, Probability = 0.57 Sample size, n = 6

Q: he probability of selecting a respondent who is female or who prefers Woolwor

A: Total number of females = 245 Total number of people who prefers Woolworths = 150 Total number of…

Q: When drawing a card from a well–shuffled deck, all fifty–two cards are equally likely. What is the…

A: We know that, in a deck of 52 cards we have 4 suits namely, hearts, diamonds, spades, and clubs.…

Q: What is the probability of having 4 boys given the oldest is a boy?

A: Solution

Q: Find out the probability of getting a total of either 7 or 11 in a single roll of two dice?

A: Ans#- Given, Roll a dice twice then sample space                                           S   =…

Q: A fair coin is flipped twice. What is the probability of showing heads on both flips?

A: Given: A fair coin is flipped twice. Objective of this question is to find the probability of…

Q: What is the probability of selecting a male who prefers fish? What is the probability of selecting…

A: (a) Here we need to find the probability of selecting a male who prefers fish. Number of males who…

Q: A bag of Skittle’s contains 14 red, 16 yellow, 8 green, and 12 orange Skittle’s. What is the…

A: Total skittle's in bag: 50 Let D be the chance that randomly selected candy is orange:…

Q: rolled three

A:

Q: If you play, what is the probability that: You get at least one skull ?

A: here given, there are total 3 wheel  each wheel stop on single symbol, here outcome on each wheel…

Q: A group of students and faculty of UO are polled about whether or not UO should switch to a 4 day…

A: Given data,   In Favour Not in Favour Not Sure Total Students 500 220 80 800 Faculty 200 300…

Q: A 4-sided fair die and a 12-sided fair die are rolled. What is the probability of showing a 3 on…

A:

Q: A colony of laboratory rats contain 16 white rats and 9 spotted rats.What is the probability of…

A: Introduction:Probability of an event is the number of outcomes favorable to the event, divided by…

Q: What is the probability that a randomly selected participant tasted apples and preferred…

A: Followings are the Explanation of the question 1) Probability is ratio of Number of favorable cases…

Q: What is the probability of selecting a respondent who does not prefer Checkers?

A: Provided data is: Preferred supermarket   Pick n Pay Checkers Woolworths Total No.…

Q: A nylon connector manufacturing plant yields 14 % defective items. If 1000 connectors are randomly…

A: It is given that p = 0.14 and n =1,000.

Q: You pick three letters at random (without replacement) from the word ASSESSMENT. What is the…

A:

Q: An unbiased fair coin was tossed 15 times. What is the probability of getting exactly 8 heads?

A: We have given the following statement coin tossed 15 times.  We have to find probability of getting…

Q: A school survey found that 9 out of 10 students like pizza. If three students are chosen at random…

A: We have to find given probability..

Q: A convenience store estimated that 22% of its customers come in to buy milk. What is the probability…

A:

Q: In a family with 4 children, excluding multiple births, what is the probability of having exactly 2…

A: Given data, n=4 Let probability of getting a girl=0.5 Let X be event of having a girl P(X=2)=?

Q: A fair dice is rolled four times.  What is the probability of obtaining a 3,2,3 and 3 in that order?

A: For any event A and the sample space S, the probability can be found as,

Q: what is the probability that the number of defectives exceeds 170?

A: Given: Sample size (N) = 1000 Number of favorable cases (x) = 170 Population proportion (p0) = 15% =…

Q: What is the probability that a randomly selected student owns a home, given the student is a female?

A: 5. The probability that a randomly selected student owns a home, given student is a female is,…