Probability Question
Q: A class is made up of 10 boys and 5 girls. Half of the boys wear glasses. A student is selected at r...
A:
Q: A special deck of cards has 5 green cards , and 3 yellow cards. The green cards are numbered 1, 2, 3...
A: Solution: a. From the given information, a deck of cards has 5 green cards and 3 yellow cards. The g...
Q: There are 12 signs of the zodiac.Assuming that a person is just as likely to be born under one sign ...
A: Introduction to binomial distribution: Consider a random experiment involving n independent trials, ...
Q: Suppose X - B(n=10, p=.3) using the binomial distribution table we have: P(X < 4) is: .3828 .8497 .4...
A: Given p= 0.3 So, 1-p= 1-0.3= 0.7
Q: A restaurant hired you to determine what kind of appetizers customers liked. A survey determined 78 ...
A: Let X represents Shrimp cocktail And Y represents Mozzarella sticks Given, Number of people who like...
Q: 4 people are on the team. Members will be chosen randomly to serve as chairperson, treasurer, secret...
A: Given that four person are on the team. Members will be chosen randomly serve as as chairperson, tre...
Q: Answer this question, please!
A: a) Mrs. Glum receives a birthday present if Mr. Glum remembers his wife's birthday and buys her a pr...
Q: Becky will spin the spinner one time. 4 2 3 3 3 4 What is the probability that the spinner will land...
A: Solution: Here Sample space cardinality is 12
Q: In how many ways can 5 sets of numbers be picked from 50 numbers in a lottery?
A: From the provided information, Total numbers in a lottery = 50 The required number of ways of select...
Q: Eagle flu can be devastating for those who are hospitalized. Researchers at JJ Health Services took ...
A: Requirements for Binomial Distribution: The Binomial distribution is useful if the experiment has...
Q: Find the probability of rolling a “1” on a fair die, given that the last 3 rolls were all ones.
A: According to the provided data, it is known that a fair die is rolled. So, the probability of rollin...
Q: According to insurance records a car with a certain protection system will be recovered 95% of the t...
A: Given: Probability that car will be recovered by the insurance company (p) = 95% = 0.95 Number of ca...
Q: Eagle flu can be devastating for those who are hospitalized. Researchers at JJ Health Services took ...
A: The confidence interval for proportion is as follows: The length of the confidence interval is as f...
Q: a. If you pick one card at random from a standard deck of cards, what is the probability it will be ...
A: a) There are 4 kings in 52 cards in a standard deck So the probability it will be a King is = 4/52...
Q: The weight, in kilograms, of cereal in a box can be modelled by a normal distribution with Mean u an...
A:
Q: At a meeting there are 6 juniors and 12 seniors. Four people are selected at random, one at a time f...
A:
Q: Which of the following is not a true statement about the binomial probability distribution? Each out...
A: Requirements for Binomial Distribution: Binomial random variable is discrete random variable. The...
Q: (a) Is there compelling evidence for concluding that true average repair time exceeds 200 min? Carry...
A: From the given information, The distribution of repair time approximately follows a normal. The samp...
Q: Have American males (AMs) gotten heavier over the last 20 years? A random sample 77 AMs in 2019 had ...
A: d) First sample (2019): x1-bar = 189.030, (s1)2 = 14.04, n1 = 77. Second sample (1999): x2-bar = 184...
Q: Entrance codes at AWC require four numbers, which may be 0 thru 9 and may be repeated. How many key ...
A: Multiplication rule of counting: If a task consists of a sequence of choices in which there are ‘a’ ...
Q: Guests at a dinner event can choose 1 of 6 appetizers, 1 of 4 main dishes, and 1 of 2 desserts. Jay ...
A:
Q: (a) Construct the frequency distribution table using number of class=5. Probability and Statistical ...
A:
Q: Find the probability for the experiment of drawing two marbles at random (without replacement) from ...
A: Given Information Two marbles of different colour needs to be drawn without replacement. We have 4 g...
Q: Suppose μ1 and μ2 are true mean stopping distances at 50 mph for cars of a certain type equipped wit...
A: Given information- We have given two sample of mean stopping distance of car with two different type...
Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate containin...
A: From the provided information, The crate contains 65 oranges out of which 6 are rotten. The probabil...
Q: SAT scores (out of 1600) are distributed normally with a mean of 1100 and a standard deviation of 20...
A: Given: Population mean (µ) = 1100 Population standard deviation (σ) = 200 Consider, X be the random ...
Q: According to a survey of hikers on a trail, 50% of the hikers like carrots (C) and 30% like broccoli...
A:
Q: We have provided a distribution and the observed frequencies of the values of a variable from a simp...
A: The null and alternative hypotheses are stated below: H0: P1=0.2, P2= 0.1, P3= 0.1, P4= 0.3 and P5= ...
Q: Mrs. Connor's statistics class has 80 students, classified by academic year and gender, as illustrat...
A: Given, Total no of outcome (N)=80 Therefore,
Q: The proprietor of Midland Construction Company has to decide between two projects. He estimates that...
A: From the provided information, The expected profit for first project can be obtained as:
Q: please see the attached question. thanks for your help
A: The total amount of profit = 2x+4y Total time required on the machine I = 6x+9y Total time require...
Q: The bill for dinner was $47.43. You left $9.57 for the tip. What percentage of the original bill wa...
A: From the given information, The bill for dinner was $47.43. You left $9.57 for the tip.
Q: In Major League baseball, the speed of a pitch is very important. How fast is the speed of a major l...
A: Draw a histogram for the given data: The data represents the speeds of the pitches in miles per hour...
Q: At a certain gas station, 35% of the customers use regular gas, 35% use plusgas, and 30% use premium...
A: Let A be the customers that uses regular gas P(A) = 0.35 Let B be the customers that uses plus gas P...
Q: In 2009 Noodles & Company introduced spaghetti and meatballs to its menu. Before putting it on t...
A: The hypothesis can be constructed as: H0: µd = 0 H1: µd ≠ 0 Sample size (n) = 53 Difference mean = -...
Q: please could you solve the questions are highlighted with yellow color. please show all work.
A: Hello! As you have posted the different questions, we are answering the first question (9). In case ...
Q: 4a. A card is drawn from a standard 52-card deck. If the card is a king, you win $10;otherwise, y...
A:
Q: Please help
A: Ther are 3 odd numbers in 1 to 6 . {1,3,5 } So the probability of getting an odd number = 3/6= 1/2
Step by step
Solved in 2 steps
