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

Q: Q 2/ In a certain city, the number of power outages per month is a random variable, having a…

A: Given n=<22,p=0.70

Q: This student never eats the same kind of food for 2 consecutive weeks. If she eats a Chinese…

A: Given Information: Consider that state 1 is Chinese (C), state 2 is Greek (G) and state 3 is Italian…

Q: Determine whether the following individual events are independent or dependent. Then find the…

A: Solution

Q: (b) Is it possible that exactly half of all senior executives believe that the most common job…

A: We have given that  Sample mean = 2.1 Sample standard deviation = 4.8 Sample size = 40

Q: 4.two die are tossed, the probability that the sum of two faces will be 4 a)- b) d) 3 12

A:

Q: Question 1: The cumulative distribution function of a continuous random variable X is gi- (0,x < -2…

A: Given information: Consider, the density function, The c value is calculated below:

Q: It is suggested that the distribution of the IQs of all professors is normally distributed with mean…

A: Given,sample size(n)=81mean(μ)=140standard deviation(σ)=5

Q: 1. 150 in which seventy are special guns. Assuming that there are twenty-five defective special guns…

A: The total number of weapons is 150 and the number of defective weapons is 25+20=45. So a number of…

Q: Suppose a certain virus (sorry!) affects 0.3% of the population. A test used to detect the virus is…

A: 0.3% of 100000 population have virus.  0.3*100000/100= 300  people have virus.  88% have virus and…

Q: A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 11 19 25 23 19…

A: Given data is 11,25,19,17,24,16,18,20,19,23,21,17,17,14,15,11sample size(n)=16Confidence interval =…

Q: Q 1/ Given a random variable having the normal distribution with µ=16 and o² =1.5625. Find the…

A:

Q: What is the probability of getting an odd numbered card in a regular deck of 52 of card?

A: It is known that Total number of cards in a deck = 52 Number of odd numbered cards = 20 Note : Since…

Q: A state originally operated a 6/48 lottery, meaning that the grand prize went to a player (or…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: what is the probability that she will get: a. a fresh egg given that it is a chicken egg? b. a…

A: It is given that P(chicken egg) = 12/29 P(fresh egg) = 15/29 P(fresh and chicken egg) = 8/29

Q: What is the probability you draw two cards of the same color from a standard 52 card deck you are…

A: It is known that Total number of cards in a deck = 52 Number of red cards = 26 Number of black cards…

Q: Q2:9An urn contain three red balls ,two blue ball and five white balls, A ball is selected and its…

A: Given that  An urn contain three red balls, two blue ball and five white balls, A ball is selected…

Q: 1-If P(A)=0.7 „P(B)=0.2, P(A n B) = 0.5,then P(A U B) = c)2 %3D a)0.6 b) 0.9 d) 0.4

A: It is given that P(A) = 0.7, P(B) = 0.2, P(A ∩ B) = 0.5 NOTE : Since you have asked multiple…

Q: Let Y have the density f(y) T(a+B) ya-1 T(a)r(8) (1+y)ª+ß" y > 0, determine E(Y) and E(Y²).

A: Given  Y~Beta 2nd kind(ɑ,β)

Q: You have 8 ruppees to gamble with your best friend, with capital of 5 Ruppees. The probability of…

A:

Q: A study determined that 11% of persons age 65 to 74 have a certain symptom. A group of 19 persons…

A:

Q: 3. Given the following relative-frequency table for the probability distribution of X, what are the…

A:

Q: (6) A hospital tracks the number of cases that come into its Emergency Room during each eight-hour…

A: Given that  a hospital tracks the number of cases that come into its Emergency Room during each…

Q: A biased coin with probability of heads p = 0.6 is thrown 10 times. Find the variance of the number…

A: Given,n=10p=0.6q=1-0.6=0.4

Q: Q2: An urn contain three red balls ,two blue ball and five white balls, A ball is selected and its…

A: Given that  Total balls=3+2+5=10 Red balls=3 Blue balls=2 White balls=5

Q: Q1 - A coin throw three times find: 1. Sample space 2. Probability at least head appear twice…

A: Given that  A coin is tossed 3 times  Note: According to bartleby experts question answers…

Q: H.w is this table probability distribution compute E(x), o 4 P(x) 0.16 0.25 0.19 0.29 0.06 3, 2)

A: Given, Thus,

Q: 02: An urn contain three red balls,two blue ball and five white balls, A ball is selected and its…

A: It is given that Number of red balls = 3 Number of blue balls = 2 Number of white balls = 5 Total =…

Q: A union of restaurant and foodservice workers would like to estimate the mean hourly wage, j, of…

A:

Q: Given a normally distributed population with a mean of 100 and variance 100, find f) P(90 sxs 115)…

A: Given,mean(μ)=100standard deviation(σ)=100=10

Q: Part A) Let Y., Ye, Y3.. Ym each with probability mass function... be independent random varia bles…

A: Hi! As per the multiple questions rule, we are allowed to answer first question. Kindly repost the…

Q: Which of the following is a continuous random variable? O Speed of an airplane O The number of…

A: A continuous random variable is which can take values between a permitted range. Example: Height,…

Q: 4.two die are tossed, the probability that the sum of two faces will be 4 b) d) 3 5- If Die is…

A:

Q: The P-value for a hypothesis test is 0.052. What is your decision if the level of significance is…

A:

Q: Aunt May recently learned about discrete probability. She performed a random experiment of rolling a…

A: Dear student, If you find this solution helpful please upvote ? it.

Q: A fair die is rolled five times. What is the probability of obtaining at least four 3​'s?

A:

Q: If the expected value of X is u = 1.25. 1. Calculate the value of a & b. 2. What is Var (X)? Sd (X)?

A:

Q: 1) Let f(x, y) = 6x, 0 < x < y < 1 and 0 elsewhere. Find d) f(ylx) e) E(Y|x)

A:

Q: In a box of 20 light bulbs, 4 are known to be defective. If 3 bulbs are selected at random, find the…

A: Given that : N = 20 Defective bulb = 4 Sample size (n) = 3 Find p ( x ≥1) = ??  By using binomial…

Q: Consider times at which a parent provisions nestlings, that is, the time be- tween arrivals of a…

A:

Q: Binomial Probability Review Practice 1. Allie plays on the varsity basketball team and makes 79% of…

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY   Here Given For Binomial Distribution…

Q: Exercise Find the distribution function for continuous random variables X with density functions as…

A:

Q: Q2: An urn contain three red balls ,two blue ball and five white balls, A ball is selected and its…

A: It is given that Number of red balls = 3 Number of blue balls = 2 Number of white balls = 5 Total…

Q: Of the entering class at a college, 75% attended public high school, 16% attended private high…

A: The following information has been given: Let A be the event that student is in the Dean's list. Let…

Q: EXAMPLE :- How many 3 digits number can be formed using digits 1,6,8,9,3,7 without repeating any…

A:

Q: The probability of having 7 girls is_

A: Here given , family contains 7 children  n = 7

Q: How many 6-character license plate numbers are possible if there are no repeats and either numbers…

A: no.of letters (from A to Z)=26no.of digits (from 0 to 9)=10Total no.of characters=36

Q: A basketball player averages 65% in a free-throw line. Find the probability that he misses one of…

A: A basketball player averages 65% in a free-throw line. Find the probability that he misses one of…

Q: There are 10 yellow, 6 green, 9 orange, and 5 red cards in a stack of cards turned facedown. Once a…

A: Given that  Total cards=10+6+9+5=31 10 yellow, 6 green, 9 orange, and 5 red cards

Q: B: .A card is drawn from a well shuffled pack of 52 cards. Find the probability of: (iv) a card of…

A: It is known that Number of cards in a deck = 52 Number of diamonds = 13 Number of King = 4 Number of…

Q: 2. A 6-foot sub valued at $25 is divided among five players (P1, P2, P3, P4, P5) using the last…

A: