Probability Question
Q: Rework problem 15 from section 2.3 of your text, involving the vegetable and fruit salads. Assume th...
A: Given : A text involving the vegetable and fruit salads. Assume that you have 5 different types of v...
Q: A machine has four components a,b,c,d set up in such a manner that all four parts must work for the ...
A:
Q: The joint probability mass function of X and Y is given by p(1, 1) — 0.55 p(1,2) — 0.05 р(1,3 p(2, 1...
A: Given information: The data represents the joint probability mass function of the random variables X...
Q: Toss a fair coin 100 times. Let X be the number of heads that follow a tail, and let Y be the number...
A: We toss a fair coin 100 times so n= 100 p= 1/2 and q= 1/2
Q: 1. A true/false test has 25 questions on it. What is the probability that you get at least 23 right ...
A: Hello! As you have posted 2 different questions, we are answering the first question. In case you re...
Q: Suppose X has a normal distribution with mean 135 and variance 36. Find the 67th percentile of the d...
A: The 67th percentile of the distribution of X is, PX<x=0.67PX-μσ<x-13536=0.67Pz<x-1356=0.67 ...
Q: anna, a nutritionist, decided to investigate whether there was a difference in the consumption of en...
A: Given: The provided data is: Men Women Other Yes 24 21 18 No 16 19 22 Since the data is ...
Q: Construct a probability distribution for a family of three children. Let X represent the number of g...
A: Given that there are 3 children. X=the number of girls So the possible values of X are 0, 1, 2, 3
Q: (1) Let X be a random variable with a function (3_ 1 4 x! (3- x)! x = 0,1, 2,3 f(x) = then E(x) is O...
A: (1) The function is, fx=341x!3-x! x=0,1,2,30 o.w The probability va...
Q: It can be assumed that the grade of students in a mathematics course at a university follows a norma...
A: It can be assumed that the grade of students in a mathematics course at a university follows a norma...
Q: a a a b b c c c probability that it will not be a
A: Given: Number of a(s) = 3 Number of b (s) = 2 Number of c (s) = 3 Total number of letters = 3 + 2 +3...
Q: Solve for X∼B(5,0.85), for x=3. Group of answer choices 0.138 0.225 0.583 0.024
A: From the provided information, Number of trials (n) = 5 Probability of successes (p) = 0.85
Q: To check the average cost to repair a bridge, a random sample of n=55 bridges was chosen. The mean a...
A: 1) n=552) Meanx¯=$257883)standard deviation σ=$15404) Level of significanceα=0.05
Q: Check the property of biasdness for the distribution of binomial
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Q: Rework problem 25 from section 2.3 of your text. Your bowl contains 8 red balls, and 9 blue balls, a...
A: Bowl contains 8 red balls, and 9 blue balls
Q: A restaurant noted what type of food its customers ordered last week. Here are the results: Burger F...
A: From the given question, Using Venn diagram, Pr( Burger) = 0.30+0.40 =0.70 Pr( Fries) =0.40+0.10 =0...
Q: For a confidence level of 80% with a sample size of 29, find the critical t value. You intend to est...
A: Obtain the critical value of t at the 80% confidence level. The critical value of t is obtained belo...
Q: Slove numbers 6-7 with work proof only thanks
A: 7) Given data: The total numbers of students are n(S)=200. The numbers of students who chose juice a...
Q: Using your knowledge of probability find an example for each of the following, two or more events th...
A: Given information: It is asked to given an example for each of the 3 cases.
Q: The results of the previous Licensure Examination for Teachers show that the average score of exa ta...
A: We assume that the result score of the teachers is denoted by random variable X and hence, approxim...
Q: please answer all ive spent 7 questions on this already im almost out and its unfair because they we...
A: As per guidelines we will only answer first three sub-parts, please repost the remaining questions f...
Q: Plzz explain. Ty
A: The following data is provided in the question Price (X) (in $) Quantity sold (f) 400 95 200 ...
Q: The time that a butterfly lives after emerging from its chrysalis can be modelled by a random variab...
A: T = time the butterfly lives. P(T>t) = P( butterfly survives more than t days) = 36/(6+t)2.
Q: Five hundred first-year students at a state university were classified according to both high school...
A: Comments: Since you have posted question with multiple subparts , we will solve first three sub-par...
Q: Assume that the weighted coin yields a heads with probability 0.35. You select one of the two coins ...
A: Two coins : one fair and one weighted Hence, Probability of selecting fair coin = P(F) = 0.5 and Pr...
Q: At an assembly, 8 out of the first 20 students who entered the gym were wearing grey shoes. Based on...
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Q: Pleas solve question
A: According to the answering guidelines, we can answer only first three subparts of a question and the...
Q: Q.8, A box contain 30 red bals and 70 green balk. What is the probability of getting exactly k red b...
A: It is an important part of statistics. It is widely used.
Q: Out of 1,500 licensed drivers, 900 admitted that they do not like to drive at night. What is the 92%...
A: Given Information: Total Number of drivers = 1500 Number of drivers that do not like to drive at n...
Q: Please solve a question
A:
Q: Five males with an X-linked genetic disorder have one child each. The random variable x is the numb...
A: The table that shows the necessary calculations is shown below:
Q: Plzz explain.
A: Since, ∫-∞∞fxdx=1 and the mean of the random variable X is given by μ=∫-∞∞xfxdx. Therefore, using th...
Q: The time that a butterfly lives after emerging from its chrysalis can be modelled by a random variab...
A: a). The probability that the butterfly dies within 6 days: PT<6=1-PT>6PT<6=1-366+72PT<6=...
Q: Find the indicated sets with A, B, and U defined below. (Enter your answers as a comma-separated lis...
A:
Q: Can you answer question 1: A-C only please! Thank you!
A: There are total (4+3+2)=9 balls We can select any 2 balls from 9 balls in 9P2=72 ways a) We can dr...
Q: Most graduate schools of business require applicants for admission to take the graduate management a...
A:
Q: When calculating the confidence interval for a population mean, we should use a normal distribution ...
A: According to the central Limit theorem The mean of sample following the normal distribution as the s...
Q: O 4. Roughly 75% of students take the bus to school. If you were to ask 9 students in your class, wh...
A:
Q: A fair die is rolled 10 times. Find the expected value of: a. The sum of the numbers in the ten roll...
A: Given, A fair die is rolled 10 times.
Q: Rework problem 15 from section 2.3 of your text, involving the vegetable and fruit salads. Assume th...
A: Solution : 1) Number of ways vegetable salad and fruit salad can be prepared is, C25 × C46 = 5!(5-2...
Q: Find the following probabilities. 2. P(z < -3.72) 3. P(z < 1.81)
A: Given: (1) P(z < -3.72)
Q: Please, I want a solution to this question.
A: We know that, For any two events, A and B P(A n B) <= P(A)+P(B) Or P(A/B)= P(A n B)/P(B) So P(A...
Q: A doctor wants to know the probability that an infection will occur after performing a particular pr...
A: A doctor wants to know the probability that an infection will occur after performing a particular pr...
Q: Probability Question
A:
Q: Indicate where the given set is located on the figure below by clicking the boxes within regions tha...
A: Given Data: Set: A∪B∪CC The AUB includes elements of both whole circles A and B.
Q: A football club has 15Players. Find the possible number of team with 11Players which can be formed i...
A:
Q: Probability Question
A: 1) X=Traveler flew on Best Air Number of Best Air flights n=4 Percentage of Best Air flight on time ...
Q: .lווה ווה י ux v and î are orthoc
A: Two vectors are orthogonal if their dot product is zero.
Q: Pharmacist lara was developing a new drug to lower blood pressure and performed an experiment to try...
A: Answer: Option e. Type I error. The true statement is last option which is type I error.
Q: Suppose we want to choose 4 colors, without replacement, from 17 distinct colors. (a) How many ways ...
A: Given that 4 colors are selected without replacement from 17 distinct colors. a) The number of ways ...
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