A sample survey interviews an SRS of 267 college women. Suppose that 70% of college women have been on a diet within the past 12 months. What is the probability that 75% or more of the women in the sample have been on a diet? Show your work.

Q: Assume the following probabilities for two events, A and B: P(A) = 0.50, P(B) = 0.70, P(AUB) = 0.85…

A: Answer: - Given Two events A and B:                 P(A) = 0.50, P(B) = 0.70, and P(A∪B) = 0.85…

Q: An urn contains five $10 each, three of $30 each and two $50 each. If three tokens are drawn…

A: It is given that an urn contains five $10 each, three of $30 each and two $50 each.

Q: Three cards marked E, F and G, respectively, are placed in a container. A card is drawn, the letter…

A: "Here, the first problem is incomplete, so we assume the request is for the second problem." A tree…

Q: population size, and size of firms is the Pareto family. One such member of the P family is the…

A: Given that  Pdf of X is  f(x) = (c/x3)  , x > 2

Q: Mrs. Burke's physics class has 99 students, classified by academic year and gender, as illustrated…

A: Given data is Mrs. Burke's Physics class Classification Males  Females Freshmen 7 9…

Q: A bank determines that 10% of all borrowers default loans. Answer the following questions, when, in…

A: Givenp=0.10sample size(n)=15Let "x" be the no.of loans are…

Q: A system consists of five components is connected in series as shown below. As soon as one component…

A:

Q: Subpart B - the answer I arrived at = 0.095020 rounded to six decimals you arrived at same, Cengage…

A: It is given that  Total people = 200 Women = 40 Men = 160

Q: Determine whether the following pairs of events are independent and write out the mathematical…

A: Please find the explanation below. Thank you.

Q: Obtain the expected value of a random variable with four values 1,2,3,4 with probabilities P(1)= 1/4…

A: Answer: - Obtain the expected value of a random variable with four values 1,2,3,4 with probabilities…

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: given data, x p(x) 3 0.26 4 ? 5 0.41 6 0.08

Q: Section 2.2 5.A certain test consists of 10 multiple-choice questions, Each question has four…

A: It is given that a test consists of 10 multiple-choice questions and each question has four choices.

Q: If n = 11, μ = 5.5 and o = 2.8, find the mean and standard deviation of the sampling distribution of…

A: given data n = 11μ = 5.5σ = 2.8find mean and standard deviation of ampling distribution of the…

Q: The overhead reach distances of adult females are normally distributed with a mean of 205 cm and a…

A:

Q: A sample of pond water is evaluated for bacteria by counting the number bacterial rRNA genes per…

A: For the given sample values, Mean=sum of data valuesNumber of data values…

Q: Melania is tracking her running training program. The table giv time at the end of each month. Month…

A: Given data is x y 1 47 2 43 3 39 4 36 5 35 6 33

Q: Ex: Consider experiment tossing four coins, the random variables is defined by assigning (0) to tail…

A: Given: Number of coins = 4 Probability of head = Probability of tail = (p) =0.5 Tail is coded as 0.…

Q: A pair of dice is rolled 900 times. 1. What is the probability that a total of 7 in the upper faces…

A: N=900 r = 130 Total dice = 2  Total outcomes = 6² = 36 Sum = 7 {(1,6),(2,5),(3,4),(4,3),(5,2),(6,1)}…

Q: A bag contains n cards, each having one of the numbers (1, 2, 3, ..., n) written on it. If all…

A: Given Information: A bag contains n cards, each having one of the numbers {1, 2, 3,.....,n} The…

Q: QUESTION 5 T/F Quiz: Suppose you take a 10 question True or False quiz and you guess on every…

A:

Q: In an article "Shelf-Space Strategy in Retailing", published in Proceedings: Southern Marketing…

A:

Q: Is an Ace a 10 or higher, or is it a 1? You would either have: Heart 10 J Q K A Diamond 10 J Q K A…

A: Scoring an ace should be possible at high or low contingent upon how it was utilized in the game. A…

Q: A ski gondola carries skiers to the top of a mountain. Assume that weights of skiers are normally…

A: Given that, n = 25,μ=183,σ=40 (a) The maximum mean weight is, Maximum mean weight = 350025…

Q: Elan took his cat and dog for a wellness visit at the pet cliic. His cat weighed 158 ounces and his…

A: Given : Weight of the cat=158 ounces It is given that weight of the dog is 482 ounces more than the…

Q: Let X denote the number of Canon SLR cameras sold during a particular week by a certain store. The…

A: As per bartleyby policy I answered the 1st three sub-parts......

Q: The following table shows the breakdown of opinions for both faculty and students in a recent survey…

A: The total number of students and faculty members is n = 173.

Q: A decade-old study found that the proportion, p, of high school seniors who believed that "getting…

A: Givensample size(n)=220x=136sample size(n)=xn=136220≅0.6182confidence level(α)=0.05

Q: group of six students is chosen at random from a list of five maths students and four psychology…

A: Given that  Total students = 5 + 4 = 9 Maths students = 5 Psychology students = 4 Note: nCr = n! /…

Q: Page 164, 3.1.15* Let X have the pmf p(x) = (1/5)( 4/5)*, x = 0, 1, 2, 3, . . ., zero elsewhere.…

A: Conditional probability : P(A|B) = P(A ∩ B) / P(B)

Q: probability

A:

Q: Melania is tracking her running training program. The table gi time at the end of each month. Month…

A: Given data is x y 1 46 2 42 3 40 4 41 5 38 6 36

Q: There is a class of 20 students, S1, S2, S3, . . . , S20. We need to form a study group of at least…

A: Total students = 20 {S1,S2,S3,....S20} We need to form a study group of at least 2 At least one of…

Q: Each question of a 5-question multiple choice exam has 5 possible answers. Suppose a student picks…

A: From given data we have : Total No. of question = 5

Q: f(x) = (6(x - 1)(2-x) if 1 < x < 2 1⁰ otherwise Determine the mean of the time (E(X)) and square…

A: Pdf given f(x)=6(x-1)(2-x); 1&lt;x&lt;2

Q: What probability is need for x = 2 to make it a valid distribution? Find the probability when x is…

A: Given that : x P(x) 0 0.05 1 0.17 2   3 0.21 4 0.12

Q: Amy and Bea are order takers in a milk tea kiosk. Amy fills 35% of all orders. Bea fills 65% of all…

A:

Q: 4. Find k such that the following are probability density functions: (a) f(x) = k(2x), 0<x<0, and…

A:

Q: from the MST class is a female Agri student is 0.2. Let F be the event 'the student is female' and A…

A: It is given that  P( female agri student ) = 0.2

Q: 5. Suppose Y has c.d.f. F(t) = 0, 1/6, 3/6, 1, for t < -1; for -1 < t < 2; for 2 ≤ t < 22; for t≥…

A: From the given information, The cdf of Y is,

Q: arry your intermediate computations to three or more decimal places. (If necessary, consult a list…

A: It is given that  Population mean, μ = 725 Sample mean, X̄ = 706 Sample standard deviation, s = 25…

Q: q3-  For categorical data: Select one or more: a. We can't apply boxplot to show its distribution…

A: Solution: Here we will discuss about which tool or technique is used categorical and numerical data.…

Q: Suppose a certain type of cancer has a 0.76 survival rate for five years. This means that 76% of…

A: Given that, No.of people diagnosed with type of cancer, n = 135 The probability of survival rate of…

Q: Does the solution it address the three additional people drawing?

A: It is related to binomial probability : P(X=x) = nCx*px*qx    p= 12/52 = 0.23 q= 1-(12/52) = 0.77

Q: In a study of families with two children, let X be a random variable representing the no. of…

A: In first we have to calculate possible values of x  In second we have to tell about discrete or…

Q: Suppose that a password is exactly six characters and each character is 1 of the 26 lowercase…

A: The number of lowercase letters is 26 and the number of integers is 10.

Q: The random variable X represents the number of cars per household in a town of 1000 households. Find…

A: It is given that random variable X represents the number of cars per household in a town of 1000…

Q: 1. If you want to organize an annual dinner for your class and would like to know which restaurant…

A: As per our guidelines I can solve only first one question. please post the remaining question again…

Q: A news organization surveyed 75 adults. Each said he or she gets news from only one source. Here is…

A: source of news number of adults  internet 13 television 24 radio 20 newspaper  18 here…

Q: Find (a) E[X]. (b) E[X].

A: Random variable x follow normal distribution (0, σ^2)  Then to find E(x) and E(|x|) =

Q: 2. Two dice are rolled. Find the probabilities of the following, as reduced fractions, and justify.…

A: