a. What is the probability that exactly 10 are from their elementary school? b. What is the probability that fewer than 3 of them are from their elementary school? c. Give the average number of students from their elementary school who were chosen in the random sample

Q: 2. find the distribution X₁-X₂ X₁ + X₂ - X₂

A:

Q: Determine the margin of error for the confidence interval for the mean: 18+1.5 The margin of error…

A:

Q: Use a calculator and evaluate A to the nearest cent. A = $6,000 e 0.05t for t= 3, 5, and 10 If t= 3,…

A:

Q: Find the equation of the line tangent to the graph of f at the indicated value of x. f(x)=8+ Inx; x…

A:

Q: Round your answer for the expected count to one decimal place, and your answer for the contribution…

A:

Q: Solution for h?

A:

Q: Show all your steps please and explain Do it in digital format and upload screenshots of every…

A: As Prof. N. G. Das said "Confidence interval is an interval such that the probability of the unknown…

Q: lues. Use a 0.025 significance level to test the claim that the four categories are equally likely.…

A: Given The expected frequency for all class is =(58+11+17+14)/4 =100/4 =25

Q: The number of felonies arrested per day with its corresponding probabilities, is shown below. Find…

A:

Q: Let A and B be mutually exclusive events, such that P(A) = = 0.9304 and P(B) = 0.0423 . Find the…

A:

Q: A retailer believes that its new advertising strategy will increase sales. Previously, the mean…

A: Given that A retailer believes that its new advertising strategy will increase sales. Previously,…

Q: Find the 84th percentile, P84, from the following data 9 10 12 16 18 19 38 39 48 49 60 63 72 74 75…

A: Given data is9,10,12,16,18,19,38,39,48,49,60,63,72,74,75,79,80,83,84,85,86,88,90,96,97sample…

Q: Consider the following regression estimates (FN4) Linear regression 29,471 318.65 0.0000 0.0108…

A:

Q: et the 2-dimensional random variables (X, Y) have joint uniform density function f(x,y) = ²,0≤x≤3,…

A:

Q: From a population with a variance of 1296, a sample of 225 items is selected. At 95% confidence, the…

A: Given,sample size(n)=225standard deviation(σ)=1296=36α=1-0.95=0.05α2=0.025Z0.025=1.96     (from…

Q: CLASS (kg) NUMBER OF STUDENTS [50, 70) 5 [70, 90) 16 [90,110) 8 [110, 130) 6 [130, 150) 5 TOTAL 40…

A: CI f 50-70 5 70-90 16 90-110 8 110-130 6 130-150 5

Q: For numbers 13 to 15. Find the measures of position of the grouped data in Column A and B. Then…

A: Frequency distribution  Qi=L+ f*​(( i*N/4)−c.f)/h, where L is lower class boundary, f is frequency…

Q: Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean…

A: The mean is 496 and the standard deviation is 115.

Q: s. What is Bill Johnson's monthly electricity consumption?

A:

Q: Number of Farms A random sample of the number of farms (in thousands) in various states follows.…

A: Formula : CI=x̄ ±Zα/2 * σ/√n

Q: State the two types of statistics and give two examples for each category

A: Given that  We have to describe two types of statistics and it's example

Q: Consider the following regression estimates (FN6) Source SS df MS Number of obs = 526 64.11 F(3,…

A: Solution: The regression output is given.

Q: In 1945, an organization asked 1504 randomly sampled American citizens, "Do you think we can develop…

A: Given : population proportion = 0.5

Q: linear regression equation, i.e. y=a+bx 3 4 5 9 11 y 42 38 31 28 29 b) the correlation coefficient…

A: Given data : X Y 3 42 4 38 5 31 9 28 11 29

Q: Consider the following regression estimates (FN8) Source SS df MS Model 71007499.5 2 35503749.8…

A:

Q: The manufacturer of a certain engine treatment claims that if you add their product to your engine,…

A: Claim :  you add their product to your engine, it will be protected from excessive wear.

Q: Ex 1.3. To go from A to B, Choi can take the bus with expected travel time A and standard deviation…

A:

Q: A bowl contains 13 marbles of which 4 are red, and 6 is black. One marble is selected at random bowl…

A: 1) No.  Each outcome of the possible outcomes S= {red, white, black}  is not equally likely because…

Q: Find the average rate of change of the function f(x)=x² + 2x from x₁ = 5 to x₂ = 6. The average rate…

A: According to the given information in this question We need to find average rate of change

Q: The accompanying table shows the numbers of male and female students in a certain region who…

A: Required probability is P(male or degree in the field)

Q: 3 A card is drawn from a full pack of 52 playing cards. If the card drawn is an Ace, King, Queen or…

A:

Q: Part 1 What is the confidence interval for the population mean μ​? enter your response here<μ<enter…

A: Given that  Data  X: 3, 5, 6, 6, 6, 8, 8, 8, 8, 8, 9,10 We have to find the confidence interval for…

Q: 16 percent of the customers of a mortgage company default on their payments. A sample of 5 customers…

A:

Q: 4. The Probability of an event is equal to the sum of the probability of the outcomes inside the…

A: As per company guidelines I solved only 1st question. Thank you  Ans#4  Given, the Probability of an…

Q: Let x denote the time taken to run a road race. Suppose x is approximately normally distributed with…

A: The mean and standard deviation are 190 and 21, respectively.

Q: irection. Complete the table and answer the following question. The production manager at XYZ…

A: Note: Thank you for the question. Since the third subpart does not contain sufficient information to…

Q: By rewriting the formula for the multiplication rule, you can write a formula for finding…

A: Given The probability that an airplane flight departs on time is 0.91. The probability that a flight…

Q: Previous q Determine the number of outcomes in the event. Decide whether the event is a simple event…

A:

Q: In general, what is true about the relationship between the Sum of Squared Residuals in the…

A: Option B is the answer.

Q: Evaluate the given expression and express the result using the usual format for writing numbers…

A: we have to find out 60P2 so, we know that Prn=n!n-r!

Q: Let x be a continuous random variable that has a normal distribution with μ = 80 and = 19. Assuming…

A: The mean and standard deviation are 80 and 19, respectively.

Q: In the planning stage, a sample proportion is estimated as pˆp^ = 48/80 = 0.60. Use this information…

A: Given Pcap= 0.60 E=0.16

Q: A standard deck of cards contains 52 cards. One card is selected from the deck. (a) Compute the…

A: Given data isTotal no.of cards in deck=52No.of ace cards in a deck=4No.of jack cards in a deck =…

Q: Which of the following is not a sample property of OLS?   a. Sample covariance of  each included…

A: Solution: The Sample properties of OLS are 1) Sum of residuals in any regression model that contains…

Q: 39- A proposed project has the following cash flow estimates: End of Year Mean Net Cash Flow…

A:

Q: Determine the range, mean, and standard deviation of the data set. 9,5,9,17,17,16,3,8

A:

Q: Supposed a certain game is fair and costs $6 if you lose and has a net payoff of $9 if you win. The…

A: To find: What is the probability of winning?

Q: A 90% confidence interval for p=0.37 and n=475

A: Given P=0.37 n=475

Q: 1. (a) With the aid of examples, discuss any three reasons why scholars like you undertake…

A: Given: The data is given. Sample size (n)=12

Q: CLASS ACTIVITY & REFLECTION (10%) 1. A repeated-measures has been conducted to identify the effect…

A: Participants Before After A 44 48 B 32 40 C 43 45 D 33 35 E 29 40 F 30 36 G 42 42 H…