Let X be a random variable for CoViD-19 infection (Positive, Negative). Consider two attributes Sex (Male, Female) and Age (below 21, 21-59, 60 above). The following data were obtained: Sex Positive Negative Male 1 12 Female 13 4 What is the information gain for Sex? O 0.79 O 0.39 O 0.99 O 0.37 Positive Negative 1 7 6 4 60 and above 7 5 Age below 21 21-59

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.5…

A: Let X : the lifespan X~N(μ,σ)where mean(μ) =8.5 years            s.d.(σ)=2.7 yearsand sample…

Q: IfX~N(7,4), the P(15.364 ≤ (X-7)² ≤ 20.095) is

A: Given problem is :

Q: At the alpha = 0.01 level , what is the correct conclusion for this test? The daily temperatures in…

A: We have the following information: The p-value is p=0.007 The level of significance is α=0.01. In…

Q: 1. Compute n, μ, EX, and EX² 5, 7, 3, 4, 1 2. Compute n, EX, (EX)², and EX² X 7 5 6 2 3 f 2 3 4 2 1…

A: 1) n x x^2 1 5 25 2 7 49 3 3 9 4 4 16 5 1 1 sum 20 100 n=5 μ = ∑xn = 205 = 4 ∑x =…

Q: B. Complete the table. Ho: P = 0.3 P = 0.7 p = 0.78 P = 0.28 P = 0.15 P≤ 0.3 P≥ 0.6 Ha: P = 0.3 P =…

A:

Q: were as aving th ate the se vork (1=

A: Given as, Subject Model Present Photo Memory 1 9 5 5 2 3 9 6 3 6 8 9 4 1 6 10 5 5 7 7…

Q: , find the critical value(s) for each situation and draw the appropriate figure showing the critical…

A: From the provided information

Q: uring the 1950's and 1960's the average weight of vehicles sold in the U.S. was well over 4,000…

A:

Q: 14- A student scored (70) in the programming test and (60) in the mathematics exam. If you know that…

A:

Q: [Q1] From the letters {A, B, C, D, E, F, G}, how many: (a) 3-distinct-letters codes can be…

A:

Q: For a normally distributed random varible y, mean is 25 and standard deviation is 9. Find the z…

A:

Q: b. Construct the confidence interval that could be used for the hypothesis test described in part…

A: Solution Given That, A popular theory is that presidential candidates have an advantage if they are…

Q: does not matter! [Q2] The probability distribution for the discrete random variable in the table…

A: given the probability distribution for the discrete random variable in following table; x 5.9 6.4…

Q: Suppose you are taking a multiple-choice test with c choices for each question. In answering a…

A:

Q: f(x, y) = 1/12 1/6 1/3 0 , (1,2), (3,2) , (2,2), (3,3), (1,3) , (2,4) , otherwise joint probability…

A: Given:- joint mass function of two random variable is given. To find the expection of the given…

Q: ) What conditions are necessary for your calculations? (Select all that apply.) O uniform…

A: Given Suppose x has a normal distribution  s = 1.7 Xbar=50 n=12

Q: Question 1  The UWI Open Campus has commissioned a study to determine how student will perform in…

A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question and…

Q: A data set is given below.   ​(a) Draw a scatter diagram. Comment on the type of relation that…

A: Given data: x 1 1 3 5 6 6 y 5.4 6.8 5.8 3.6 2.8 3.1

Q: Sampling distribution Suppose population 1 is all blue cars sold at used car auctions, and the mean…

A: Given  A multiple choice question on sampling distribution.we need to determine whether the sample…

Q: 6 What is the center of the sampling distribution of 1-X22

A: Here , Suppose population 1 is all blue cars sold at used car auctions, and the mean sale price of…

Q: 2.Two drug were tested on a group of 2000 people. The number of men and women in the study was the…

A: It seems that the numbers are incorrect in case of Drug B for Men because '196 of 100 cured' does…

Q: Scott Bell Builders would like to predict the total number of labor hours spent framing a house (Y)…

A: Slope is the measure of changing variable. It is a measure of regression coefficient. It explains…

Q: 11. fast please The life (years), of a battery is approximately exponentially distributed with…

A: Given,A random variable X~Exponentially distributed(λ=0.2)P(X=x)=0.2e-0.2x    ;   x≥0

Q: An important part of the customer service responsibilities of a cable company relates to the speed…

A:

Q: Determine if there is a significant difference among the weighted scores obtained by the group of 5…

A: 1) Answer

Q: A normal distribution has mean 69.6 and standard deviation 4.05. Find the data value corresponding…

A:

Q: Suppose 100 people all toss a hat into a box and then proceed to randomly pick out a hat. What is…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17.3…

A: GivenMean(μ)=17.3standard deviation(σ)=1.5sample size(n)=10

Q: If X and Y are random variables having the joint density function f(x,y)=(6-x-y), 0<x<2, 2<y<4. Then…

A:

Q: An avid traveler is investigating whether travel websites differ in their pricing. She chooses a…

A: The mean difference is 5.49 and the standard deviation is 18.65.

Q: 3- If X-hyp(n, D, N) then, the second factorial moment of X is n(n-1)D(D-1) N(N-1) True False 4- If…

A: The following are the answers of the questions.

Q: You're playing duplicate bridge. Your partner has bid two spades, and you have to decide whether to…

A:

Q: A large home improvement store is considering expanding its selection of moving products, such as…

A: From the given information, the 90% confidence interval is (0.293, 0.355).

Q: Question 2  A study was conducted on 108 individuals to determine if their attraction to a…

A: Given: The study conducted on Single, dating and married individuals. Individuals were classified…

Q: A sociologist wanted to determine whether there was a difference in the amount of time children 5-7…

A: The question is about categorical data analysis Given :

Q: find the probability of observing (a) exactly 2 defectives, (b) at least three defectives, (c) 2≤X<5…

A: HERE given ,  there are 15 fuses in sample  p = probability of defective fuse = 0.05  q =1 - p= 1…

Q: Which of the following about the mean is NOT true?

A: The objective is to find out the incorrect statement from the given choices.

Q: (c) Find the third quartile of the above data. 87 88.5 057 58.5

A:

Q: The city of Cleansburg has 8126 registered voters. There is an election for Mayor of Cleansburg, and…

A: Population includes all the observations that are used for the study. Sample is the part of…

Q: It is well known that a placebo, a fake medication or treatment, can sometimes have a positive…

A: The provided information is…

Q: Z/t Computed Value Z/t Critical Value 1. Zcomputed = 1.02 1. Zcritical = 1.64 2. Zcomputed = 2.15 3.…

A: The objective is to determine the decision for each of the following given the computed and critical…

Q: Suppose a random variable, x, follows a Poisson distribution. Let µ=2.5 every minute, find the…

A:

Q: 3. Sports officer collected some information about the Body Mass Index (BMI) and the finishing…

A: Given:- In part 3 BMI and position in marathon is given. first we find the rank of BMI then find the…

Q: Which of the following is(are) NOT true?

A: Changing only the parameter o to 2 makes the curve thinner and sharper.

Q: The distribution of the heights (in inches) of 18-year-old U.S. females has first quartile Q₁ =…

A: The provided information is Q1=62Q3=66Then Inter Quartile Range is IQR=Q3-Q1IQR=66-62=4The outlier…

Q: What is the probability that a randomly selected depth is less than 3.30 m?  What is the probability…

A: Given that  Probability distribution function (pdf) a=2.50    , b=6.50 f(x)=1/(b-a)     ,…

Q: n a survey of a random sample of 35 households in the Cherry Creek neighborhood of Denver, it was…

A: Given Information: Sample size n=35 Number of successes x=13

Q: 2. The table gives information about the selling price and the mileages of 8 used cars. Selling…

A: Spearman rank correlation is used to measure the categorical variable. It is used to find the degree…

Q: Solve for t. -0.951 -0.44 e Select the correct choice below and, if necessary, fill in the answer…

A: Given e-0.95t=0.44

Q: For a standard normal distribution, given: P(Z < c) = 0.9538 Find c. (round to 2 decimal places)

A: