1. What R code will compute P(X<175) ? 2. What R code will compute P(X> 125) ? 3. What R code will compute P(160< X<170) ?

Q: Given that P(A) = 0.10, P(B) = 0.17, and P(A and B) = 0.0230, are events A and B independent?

A: P(A)=0.10P(B)=0.17P(A and B)=0.0230

Q: Determine the value c so that f(x) can serve as a probbaility distribution of rhe discrete random…

A: Given function f(x)=c(x+89)100   for x=0,1,2f(x) can serve as a probability distribution

Q: Find the indicated probability using the standard normal distribution. P(Z < 1.17) Click here to…

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: A survey about social media reported that 78 % of B2B marketers (marketers that focus primarily on…

A: The survey about business focuses and corresponding increasing use of social median is given.

Q: Urn A contains one red ball and four white balls and Um B contains three red balls and one white…

A: a) Let's first determine the possible distributions of red and white balls in each urn. Urn A can…

Q: If there are 7 multiple-choice questions on an exam, each having 5 possible answers, how many…

A: Since there are 5 possible answers for each of the 7 questions, there are 5 options to choose from…

Q: (b) Find the probability that a randomly selected high school student who took the reading portion…

A: The mean is 22.6 and the standard deviation is 6.2.

Q: A manufacturing plant uses a specific bulk product. The amount of product used in or my can be…

A: X~Gamma(ɑ=1.5, β=3)

Q: d. What is the probability that this person does not expect to save more money given that he/she…

A: GA telephone survey conducted by the Maritz Marketing Research company found that 43% of Americans…

Q: A population has a mean µ = 84 and a standard deviation o = 29. Find the mean and standard deviation…

A: Suppose the variable of interest is x. It is given that; x has mean µx = 84 and the standard…

Q: Let f(x): k(9x - x²) if 0 ≤ x ≤ 9 and f(x) = 0 if x 9. (a) For what value of k is f a probability…

A: f(x)=k(9x-x2)   ; 0≤x≤9f(x)=0                  ; x&lt;0 or x&gt;9

Q: The following samples describe the weights of bars produced by a machine in a factory. 3.35 1: 4.61…

A: Here we have given the sample values of weight of bars produced by a machine in a factory. The mean…

Q: Which region or regions showed difference in the average money spent during visit by region.

A: The Tukey HSD results show that there is a significant difference in the average money spent during…

Q: Two dice are rolled. Find the indicated probabilities. 1 What is the probability that the sum of the…

A: From the provided information, Two dice are rolled. Total outcomes = 36

Q: Suppose we are interested in analyzing the market share and customer loyalty for Murphy's Foodliner…

A:

Q: If X is a random variable with any continuous distribution, explain why P(X<x)=P(X≤x).

A: In probability theory, the probability of an event is the measure of the likelihood of that event…

Q: Suppose that 8 men give their hats to a hat-check person. How many ways that the hats can be given…

A: 8 men give their hats to a hat check person then we need to find that how many ways that the hats…

Q: et X be the number on a die roll, between 1 and 6. Let Y ∼Uniform(0,1), inde- pendent of X. Let Z =…

A: X be the number on a die roll, between 1 and 6. Y ∼Uniform(0,1),  Z = 10X + 10Y .

Q: a tree diagram showing all possible results when a fair coin is tossed four times, if the third toss…

A:

Q: The average of two numbers is 46.5. One of the numbers is 68. What is the value of the other number?…

A: 1)  The average of two numbers is 46.5. One of the numbers is 68. The objective is to find the value…

Q: X P(X = x) a= -2 -1 Calculate P(X20) and P(X < 0). P(X ≥ 0) = .4 P(X < 0) = .4 Enter a number. a med…

A: X -2 -1 0 1 2 P(X=x) a a 0.4 0.3 0.1

Q: How many poker hands consist of four clubs and a card of a different suit? OA) 39. C(52,4) OB) 48.…

A: There are four different suit in poker hands cards and each suit has 13 cards.

Q: Listed below are the overhead widths (in cm) of seals measured from photographs and the weights of…

A: Overhead width(X) Weight(Y) 7.6 141 7.1 110 9.5 154 7.8 170 8.4 232 9.1 177

Q: (a) A modem, CPU, and a drive in a computer sent to the shop are bad. (b) Only a modem and a CPU in…

A: A computer repair shop has estimated the probability that a computer sent to the shop has a bad…

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Out of a…

A: Let X denote the IQ score. Suppose the IQ scores are normally distributed with a mean of μ=100 and a…

Q: 1. What is the probability that 5 is greater than in a normally distributed data given that the mean…

A: Let X be the normal distribution with mean 6 and standard deviation 0.7.  X~N(μ=6,σ=0.7)

Q: In the Mucho Millions lottery, players choose 4​ different numbers between 1​ and 54​ and 1​ number…

A: It is needed to select 4​ different numbers between 1​ and 54​ and 1​ number between 1​ and 28​​.

Q: Let X be a random variable with probability density function 1. Find the value of c. 2. Find the…

A:

Q: error-free small monster conta ends to use all of them cess to Hardcover, Paperback omb type small…

A: Answer: Out of 27 devices, 5 will be captured by Paperbacks. So, we will deal with remaining 22 only…

Q: 1. Find (Probability of Blue Collar | Democrat) Use two decimal places in your answer.

A: Here  From given table P(DEMOCRATE)= 0.37 = P(D) P(BLUE COLLAR AND DEMOCRATE) = P(B∩ D) = 0.16

Q: A botanist wishes to estimate the typical number of seeds for a certain fruit. She samples 43…

A: Answer:- Given, sample size, n = 43  Sample mean, X̄ = 24.5  Sample standard deviation, s = 17.4…

Q: what is P(A)?

A: P(B) = 0.31, P(A and B) = 0.20, P(A or B) = 0.53

Q: Find the indicated probability using the standard normal distribution. P(Z > -0.78) Click here to…

A: P(z &gt; -0.78)

Q: In a lottery, the top cash prize was $644 million, going to three lucky winners. Players pick five…

A: The top cash prize is $644 million. The player picks five different numbers from 1 to 52. And one…

Q: The pregnancy length in days for a population of new mothers can be approximated by a normal…

A: The pregnancy length follows normal distribution with a mean of 267 days and standard deviation 10…

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: The mean isi 68.9 and the standard deviation is 4.0 inches.

Q: A single, six-sided die is rolled. Find the probability of rolling an even number or a number less…

A: A fair die is rolled one time Sample size=S={1,2,3,4,5,6} Even number={2,4,6} Less than…

Q: Find the z-score that has 33.0% of the distribution's area to its left. The Z-score is (Round to two…

A: It is needed to find the z-score that has 33.0% of the distribution's area to its left.

Q: Problem 6. Suppose (X₁, X₂) have joint density (1₁,1₂)= [6x₁1² 0<x₁ <1,0< x₂ <1 0 otherwise. a) Find…

A: a) To find the joint density of (Y1, Y2), we need to use the transformation method. Let g(Y1, Y2) be…

Q: i. Construct a contingency table to represent the information above. One of these countries is…

A: Tiffany obtained data about the gross domestic product (GDP) and the birth rate for 170 countries.…

Q: Have the gains in student learning attributed to education technology justified colleges' spending…

A: Consider A denotes academic professional is a professor and B represents professional indicates…

Q: Find the odds in favor of obtaining the following outcome. an ace when drawing 1 card from an…

A: A card is drawn from an ordinary deck of 52 cards.

Q: The mean height of women in a country (ages 20-29) is 63.8 inches. A random sample of 65 women in…

A: sample size(n)=65mean(μ)=63.8population standard deviation(σ)=2.82

Q: Let Ax = {a,b,...,z,}, |Ax| = 27, denote alpahabet of letters in English text where - represents the…

A: i ai pi 1 a 0.0575 2 b 0.0128 3 c 0.0263 4 d 0.0285 5 e 0.0913 6 f 0.0173 7 g 0.0133…

Q: blindness in one doctor's practice. M represents 'person is male' and C represents 'person is…

A: We have to determine conditional probability.  P(M'|C)=?

Q: In the Lotsa Millions Lottery, players pick 7​​ numbers from between 1​ and 43​. The order of the…

A: There is total 43 numbers between 1 and 43.

Q: A spinner is broken into sections labeled 1 to 45.  What is the probability that, on your next spin,…

A: A spinner has 45 sections labeled 1 to 45.

Q: A. Give an example of a simple event. Choose the correct answer below.

A: Do males or females feel more tense or stressed out at work? A survey of employed adults conducted…

Q: In a completely randomized design, 12 experimental units were used for the first treatment, 15 for…

A: The number of treatments: k=3 The first treatment has n1=12 observations. The second treatment has…

Q: 23% of the teenagers in a city think that shopping malls Close too early. If 20 teenagers are…

A: Answer: From the given data, P =23% =0.23 sample size(n) = 20 X = 4