Probability Question
Q: Probability Question
A: It is an important part of statistics. It is widely used.
Q: xlet X,Y,7 be v.V.J with Joint fA くれく くらくtyerzc
A: The joint probability density function is given to us the conditions on x, y, z are also given to us...
Q: A bag with 6 marbles is shown below. (3 marbles are red, 1 is yellow, and 2 are blue.) A marble is c...
A:
Q: Solved the problem below. 1. The depth of a certain lake is measured on 12 different point in its ar...
A: Given : Sample size = n = 12 Mean = x = 48 Standard deviation = σ = 2.9
Q: The golf scores for a school team were normally distributed with a mean of 68 and a standard deviati...
A: Given μ=68 and σ=3. 1. Third quartile score: PX<a=75%PX-μσ<a-μσ=0.75Pz<a-683=0.75 ...
Q: help
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Q: What if a professor returned an assignment to you and your assignment had a standard deviation score...
A: We have to find raw score for given data
Q: Number 4 only
A: 4) Given data, 102,74,86,74,96,95,103,102 Median=?
Q: The wing lengths of houseflies was examined in the paper: Sokal, R.R. and P.E. Hunter. 1955 morphome...
A: Note: Please repost remaining subparts as i can answer only 3 subparts as per my policy. Given dat...
Q: Please solve a question
A: Let E1 be the event that the plane departs on time. E2 be the event that the plane arrives on t...
Q: As a promotional offer, a newly opened movie theatre is awarding 25% of their new patrons with a com...
A: Let D be the event for dinner F be the event for a free drink T be the event for ticket online ...
Q: The numbers a, b are positive integers. a ≤ b. Random variable X [2a,2b ] is the power of 2 in the r...
A: From the given information, the numbers a and b are positive integers and a<=b. The random variab...
Q: Number 6 only
A: Given data, 35,36,37,38,39,40,43 Population size: 7Median: 38Minimum: 35Maximum: 43First quartile:...
Q: Number 2 only
A:
Q: required PAE Vs. an elective PAE). Participants: Participants (N=953) were purposefully recruited fr...
A: Probability sampling is defined as a sampling technique in which the researcher chooses samples from...
Q: In a particular lottery, 6 winning numbers are drawn from a set of 39 numbers. What is the probabili...
A: We have to find the probability of picking exactly 2 of the winning numbers in this lottery
Q: 6) 1 and 2. Please solve them step by step.
A: Given that mean = 1.762 hours and s = 215 hours
Q: Q1C ONLY
A: Given: The provided data is: Marks Relative frequency 0<x<20 8135 20<x<40 31135 ...
Q: A population consists of the four numbers 1, 2, 4 and 5. List all the possible samples of size n =...
A: Given a population consists of the four numbers 1, 2, 4 and 5, samples of size n = 3 which can be d...
Q: The length of human pregnancies from conception to birth approximates a normal distribution with a m...
A: Solution: 6. Let X be the length of human pregnancies from conception to birth. From the given infor...
Q: A. Mark was invited to a friend's birthday party. He has two pairs of pants (one black and one blue)...
A: We have to find now. of combinations possible.
Q: Answer the Following Question Probability of rolling a 2 when a dice is tossed.
A:
Q: In a Math Olympiad a contestant must select 3 questions from a bowl containing 10 questions, 5 of wh...
A: Given information: Given that a Math Olympiad must select 3 questions from a bowl containing 10 ques...
Q: b) If X is a random variable with the following function: -1< x < 2, Sx²/3, 0. elsewhere. %3! Find t...
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Q: A box contains 9 red 7 blue and 8 greens marbles a) withdrawing 2 marbles at random without placeme...
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Q: Answer the Following Question Probability of rolling an off number when a die is tossed.
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Q: According to actuarial tables, life spans in the United States are approximately normally distribute...
A: Let X denote the life spans in the United States and it follows normal distribution with a mean of μ...
Q: Answer the following question Michael is given 5 wads of paper to shoot into the basket, with a 90% ...
A: We have to find probability that Michael will be successful with at least 4 of those shots
Q: rtment in a universi being interviewed sses his probability any
A: It is given that John has completed his graduation in engineering department and he interviewed in t...
Q: Let X and Y denote the lengths of life, in years of two components in an electronic system. If the j...
A: In order to find the required probability, we will need to find the marginal density of the random v...
Q: Math test has 6 multiple choice questions with four choices with one correct answer each. if you jus...
A: We have to find Probability of exactly five correct answer
Q: A smartphone company receives shipments of smartphones from three factories, labelled, 1, 2 and 3. T...
A: The random sample size is given as 15. It is given that 25% shipment are from factory 1. Therefore,...
Q: 6. Suppose 47% of all adult women think they do not get enough time to themselves. An opinion poll i...
A: From the given information p = 0.47 Sample size N =1025
Q: Let f(x) = ()*)**, x = 0,1, is p.d.f then P(x = 0) = %3D
A:
Q: A lock consists of 2 dials, where each dial has 4 letters. What is the probability of guessing the r...
A: Experiment : Guessing the combination Event: Guessing the right combination.
Q: Number 5 part A,B,and C only thank you!
A: If the distribution of data is unimodal and symmetric than mean is the best central tendency measure...
Q: I need to solve a question within 15 minutes as quickly as possible
A: It is given that X and Y have the joint density function fx, y=34+xy , 0<x<1 ; 0<y<10 ...
Q: The probabilities of three teams A, B and C winning a badminton competition are 1/3,1/5 and 1/9 resp...
A: (a) P(A)= 1/3 P(B)= 1/5 P(C)= 1/9 Probability that either A or B will win P(A or B)= P(A)+P(B)-P(A ...
Q: The lengths of lumber a machine cuts are normally distributed with a mean of 99 inches and a standar...
A: We have given that the random variable X i.e. the length of lumber is normally distributed with mean...
Q: 5. The Gallup Poll once asked an SRS of 1540 adults, "Do you happen to jog?" Suppose 15% of all adul...
A: We have to find probably using z table
Q: 2. The probability that Tom will be alive in 20 years is 0.7 and the probability that Nancy will be ...
A: Given the probability that tom will be alive in 20 years is 0.7 and the probability that Nancy will ...
Q: A hacker breaking into a computer system has a 15% chance of breaking into a system in 2 minutes, a ...
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Q: A fish pond contains 129 tetras, 126 angelfish, 3 cory cats and 172 goldfish. What is the probababil...
A: Given,no.of tetras fishes=129no.of angel fishes=126no.of cory cats fishes=3no.of gold fishes=172t...
Q: Q7A ONLY
A: Given: The total number of people in the survey = 100. Number of males = 50 Number of females =50 ...
Q: Q.3: Forty two students are in a given course section: (1) What is the probability that exactly two ...
A: Total students = 42 i) The probability of a person having birthday on any day = 365/365= 1 The proba...
Q: A bag contains 5 black and 4 white balls. In how many ways can we draw from the bag groups of 3 ball...
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Q: An experimentor testing for extrasensory perception has four cards with pictures of a (s)tar, (c)irc...
A: Given that An experimentor testing for extrasensory perception has four cards with pictures of a (s)...
Q: A privately owned iquor store operates both a drive-in facility and a walik-in facility. On a random...
A: marginal density function can be defined as the one that gives the marginal probability of a continu...
Q: 1.What is the probability of picking a diamond given that the card is a six? Round answer to 3 d...
A: 1. In a standard deck of playing cards there are total 52 cards and 4 suits, such as hearts, diamond...
Q: Bertha historically makes 70% of her free throws in basketball. She takes 6 shots. Your final answer...
A: Given, X : Free throws on basketball. X ~ Binomial (n = 6, p = 0.70) PMF is given by: P (X) = Cxn px...
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