In Normal distribution, the highest value of ordinate occurs at O Mean O Variance Same value occurs at all points O Extremes

Q: this is all incorrect

A: The sample size n is 21 and p=0.66.

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

A: Given that: X~N7,4 Required Probability: P15.364≤X-72≤20.095

Q: In a recent Super Bowl, a TV network predicted that 27 % of the audience would express an interest…

A: Givensample size(n)=122x=38The null and alternative hypothesis is H0:p=0.27Ha:p<0.27

Q: The speeds of a random sample of 100 cars are recorded as they pass a highway checkpoint. The…

A:

Q: Hatter [Q2] The probability distribution in the table below. Find: c, F(x), and P(6 < X < 8). for…

A: Answer :- Given the probability distribution for the discrete random variable            x 4.9…

Q: Business projection: An investor is considering an investment in a start-up company. She estimates…

A:

Q: Let X and Y have a bivariate normal distribution with parameters P₁ = 5.4, p= 0.70and given Y = 6,…

A: Given that μ1=5.4, σ1=1.5, μ2=5.10, σ2=2, ρ=0.70

Q: Suppose a random variable X has the probability density function f(x) = 1.5 x² for -1<x< 1 and f(x)…

A:

Q: 15- Let X-G(p) with mean 5 and standard deviation 3, then (a) p == (c) p = // O Ob O C a d (b) p ==…

A:

Q: Senior high school students are randomly selected to gather data on the hours spent per day playing…

A: Given that: Probability distribution of X: Length (in hours) Probability 0 0.012 1 0.062 2…

Q: The random variable x represents the number of credit cards that adults have along with the…

A:

Q: he table shows the annual compensation of 40 randomly chosen CEOs (millions of dollars).   5.58…

A: Hai  Put the data into excel sheet shart the data from A1 to A41 Then use the excel formulas

Q: A study was done on proctored and nonproctored tests. The results are shown in the table. Assume…

A: Solution Given

Q: Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value,…

A: Given data: Significance level = 0.10 To find the appropriate confidence interval

Q: Q4/a/ In a study to show the relationship between a person's weight (kg) and height (cm), a random…

A: Frequency distribution

Q: Mumbai Electronics is planning to extend its marketing region from the western United States to…

A:

Q: Let X-F(4,8), then

A: X~F(4,8)

Q: The accompanying table provides data for tar, nicotine, and carbon monoxide (CO) contents in a…

A: The given data indicates tar, nicotine, and carbon monoxide contents in a certain brand of…

Q: 24-25. Find the z-scores that bound the middle 92.50% of the area under the standard normal curve.…

A:

Q: 2- Suppose that (a) 8/3 a is a joint probability mass function of two random variables X and Y. Then…

A:

Q: Find the mean, the median, and the mode of the random variable X with the following probability…

A: (a) Pdf of normal distribution -∞&lt;x&lt;∞…

Q: 3. The value of E(x-μ|²) is Oi A. 0² B. 20² √π

A: Answer : - Find the value  E(|X - μ|2)   is

Q: Situation I: one afternoon. shown below. 1. Find the mean. 2. Find the median. 3. Find the mode. 1 8…

A: Given data indicates the scores of 30 students in the 10-item pop statistics quiz.

Q: Consider the sample space S= {(-2, 4), (-1, 1), (0, 0), (1, 1), (2,4)}, where each point is assumed…

A: I solve this problem using r-software. So, R-code:- x = c(-2,-1,0,1,2) y = c(4,1,0,1,4) cov(x,y)…

Q: If the p. d. f of a random variable X is f(x) = 2,0 ≤ x ≤ 2, then P(X> 1.5|X > 1) is

A:

Q: If the CV of A =11.18%, CV of B= 14.09 I need answer within 3 minutes with my best wishes ton .A A…

A: Given data  CvA = 11.18% CvB = 14.09% We have to find which is best?

Q: The following table shows the number of hours spent for studying and the grade obtained by a student…

A: The provided information is  No of hours (x) Grades (y) xy x2 1.5 85 127.5 2.25 2.0 85 170 4…

Q: Information regarding the price of a roll of camera film (35 mm, 24 exposure) for a sample of 13…

A: From the provided information, Sample size (n) = 13 Sample mean (x̄) = 4.9846 Standard error (SE) =…

Q: A supplier receives 1000 shirts from a textiles company. The probability that a shirt is defective…

A:

Q: A laundry shop averages 9 customers per hour. Assume that the number of customers is a Poisson…

A:

Q: 3. Mrs. Alcancia groups the senior high students according to their grade level and strand. She…

A: To get a sample that properly represents the population from which it was selected is the goal of…

Q: What type of pattern exists in the data? O The time series plot shows a horizontal pattern, but…

A: Time Series plot: Excel Procedure: Enter the values in Excel. Select the data Go to insert. Go to…

Q: Suppose these data show the number of gallons of gasoline sold by a gasoline distributor in…

A: From the following data, computing MSE as follows,

Q: Determine the probability of the card being either a red or a king when one card is drawn from a…

A:

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

A:

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

A:

Q: Let X and Y have a bivariate normal distribution with parameters p₁= 5.4,0₁ = 1.5, 25.10.₂= 2 and p=…

A:

Q: ticulas process and sequence of steps that can filter and syntheses information that the research…

A: Research as a scientific and systematic approach for pertinent information on a specific domain…

Q: Use the linear representation of ARMA(1, 1) to compute its covariance function.

A: For an ARMA(1,1) process, Xt-ϕ1Xt-1=Zt-θ1Zt-1…

Q: In a sample of 10 randomly selected women, it was found that their mean height was 63.4 inches. From…

A:

Q: X 5 y 3 5 3 -1 2 9 6 4 a) Construct a scatter plot of these data 0 1 9 5 3 b) Given that SST…

A: Given that

Q: A survey asks 1100 workers, "Has the economy forced you to reduce the amount of vacation you plan to…

A: In a survey asks 1100 workers 48% surveyed say that they are reducing the amount of variation. 30…

Q: g or married. The prospecting individuals are classified as Muscular, Average and Overweight. The…

A: Single Dating Married Muscular 10 8 1 5 1 5 9 4 3 2 9 7 8 2 1 4 3 7 9 7 9 1 6 1…

Q: To determine the proportion of Americans who support affirmative action policies for minorities and…

A: The objective is to define the sample size for estimating the true proportion of Americans, who…

Q: Kindly assist with questions 2 - 4

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: 4- If X is an exponential with parameter 1, then 2X is chi-square with 2 degrees of freedom. O True…

A:

Q: - If f(x)= is the probability density function for a random variable that can take on the values x =…

A: Given information: fx=k2x, x=0,1,2,3,4 The value of k is,…

Q: The following table shows the number of hours spent for studying and the grade obtained by a student…

A:

Q: Identify the sampling technique used. Every fifth person boarding a plane is searched thoroughly.

A: here use basic of sampling method  there are various sampling methods like , systematic , stratified…

Q: The cumulative distribution function, cdf, of a random variable X is given as follows: 0, x < 0…

A: Given,F(X)=0; x&lt;02x2-x4; 0≤x≤11; 1&lt;x