test has rwo mulltiple choice questions, each with five choices. What is the probability of guessing the correct answer to both questions?

Q: It is known that approximately 90% of the population is right-handed. In a sample of 100 people,…

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Q: Syria According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile…

A: Given:   Sample size (n)= 50 Population proportion (p) = 0.58

Q: shown in the figure is. a mall version OF a probactoiliy demons tration device. A smal ball is…

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Q: Rhian likes to wear colored shirts. She has 15 shirts in the closet. Five of these are blue, four…

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Q: 1. State the problem 2. State why it is a problem 3. State how it should be fixed

A: The table is not continuous i.e. people with score greater than upper limit of of an interval and…

Q: standard deviation of o = 49. a. The sampling distribution of the sample mean for samples of size 49…

A: Given that information  Mean = mu = 200 Standard deviation = s = 49 a) sample size n = 49  The…

Q: 14. A fair coin is flipped. Determine the probability that (a) the first head occurs on the third…

A: Let the trial number at which the first success occurs be X. Let 'p' be the probability of getting a…

Q: Discribe a specific time in real life where a population being surveyed is appropriate. What data…

A: Sampling is a technique employed in selecting data for inferential statistical procedures.

Q: Determine the frequencies for the grouping below for each section and determine the percentages for…

A: Given the data as Section C 80 85 75 76 81 76 75 76 76 96 85 78 73 81 89 74 74 76 86 74 90…

Q: Three switches connected in parallel operate independently. Each switch remains closed with…

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Q: Stick or roll is a game involving two players, A and B, and a die with four faces (numbered 1, 2, 3,…

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Q: Find the mean, median, and mode(s) of the data. Do not round. 48, 12, 11, 45, 48, 48, 43, 32

A: Given : Find the mean, median, and mode of the data. 48, 12, 11, 45, 48, 48, 43, 32

Q: Find the area under the standard normal curve to the right of z = 2.13 Ans is blank to the left of z…

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Q: (c) Assume the following respective probabilities for the posi- tions of the two loads: P(W, at B) =…

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Q: Q1:Let p equal the proportion of drivers who use a seat belt in a country that does not have a…

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Q: The relationship between energy consumption and household income was studied, yielding the following…

A: We have given that,  Energy consumption (Y) :- 1.8, 3.0, 4.8, 5.0, 6.5, 7.0, 9.0, 9.1 Household…

Q: Please show all the steps   The Massachusetts state lottery game, Cash WinFall, used to have a way…

A: GivenThe price of 1 lottery ticket =$2 The total numbers in the game =46 The number of ways of…

Q: Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7.…

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Q: The island of Yapoah grows two types of potatoes: red and purple. You wonder if the purple potatoes…

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Q: 3. Suppose there are 6 black pens, 7 blue pens, and 5 red pens. Find the number of ways you can…

A: Given,no.of black pens=6no.of blue pens=7no.of red pens=5Total no.of pens=18

Q: You can make grape juice by mixing 1 can of frozen grape juice concentrate with 3 cans of water

A: In this question we've 3 cans of water and 1 can of frozen grape juice. First we'll make a table…

Q: Let f(x, y) = 2xy 0<x< 1,0 < x + y< 1 and let it equal 0 otherwise . a. Show that f(x,y) is a joint…

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Q: Sara spins a spinner twice. The spinner has 5 equally sized sections numbered 1 to 5. The spinner…

A: Given :Sara spins a spinner twice. The spinner has 5 equally sized sections numbered 1 to 5. The…

Q: A certain type component has two states: 0 = off and 1 = operating. In state 0, the process remains…

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Q: :1 w Q1:Let p equal the proportion of drivers who use a seat belt in a country that does not have a…

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Q: A new batch of processors are to be tested for effciency. The same specific set of tasks are run by…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: 0 1 70 105 Number of sixes (x) Total Frequency 180 e hypothesis that the distribution of X is…

A: *Answer:

Q: A driver has pumped 13 gallons of gas to his track. On average day that driver has to spend 2…

A: A driver has 13 gallons of gas in his truck. The gas usage in a day is distributed with mean 2…

Q: In a certain population an average of 9 new cases of esophageal cancer are diagnosed each year. If…

A: Given,The average no.of new cases of esophageal cancer (λ)=9A random variable…

Q: give a question based on that situation for which the calculation I’ve given you would be the…

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Q: witch is planting a garden. In one of her garden beds, she plants asparagus with probability 0.331,…

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Q: What percent of the students received a score below 64, if the mean grade on a test was 70 and the…

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Q: From the scores in subject EQT203 for 8 students, it was found that the mean score is 73 and the…

A: We have given that, Sample mean (x̄) = 73, sample size (n)= 8 and standard deviation (s) = 5.15…

Q: Find the​ Z-scores that separate the middle 22​% of the distribution from the area in the tails of…

A: Let z be the standard normally distributed random variable with mean 0 and standard deviation 1

Q: A data set includes wait times (minutes) for the Tower of Terror ride at Walt Disney World's…

A: Claim : The mean of all such wait times is more than 30 minutes.

Q: arch engine looks for a keyword in 10 databases, searching them in a random f these databases…

A: The probability that one database is [P] is p=5/10 = 0.2 Let us case consider the number of…

Q: Consider nonnegative integer solutions of the equation xi + x2 + x3 + x4 + x5 + æ6 = 30.

A: The non-negative integer equation is x1+x2+x3+x4+x5+x6=30Since ,xi-number varying from 0 to…

Q: Suppose a company interviews four subjects about how the company is run: subject A, subject B,…

A: Introduction: It is assumed that the question here contains the full information relevant.

Q: 02: suppose that X, .X, a random sample of size n from the normal distribution N(4,a"), where the…

A: Given Information: H0:σ2=σ02 H1:σ2&gt;σ02 Critical region is defined as n-1s2σ02≥c Sample size n=13…

Q: If a population consisted of 75,000 people, surveying 750 people from the population could result in…

A: The point estimate is defined as " The value of a sample statistic that is used  to estimate the…

Q: In a certain country, the true probability of a baby being a boy is 0.523. Among the next nine…

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Q: Section C 80 85 75 76 81 76 75 76 76 96 85 78 73 81 89 74 74 76 86 74 90 75 88 79 86 81 90 89 88 85…

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Q: Use mathematical induction to 3n(n+1) 3+6+9+12+...+3n=

A: Given problem Given that   3+6+9+12+....+3n = 3n(n+1) / 2 We have to prove it by mathematical…

Q: In a group of n people, (a) what is the probability that two or more persons will have the same…

A: In a group of n people, We need to find the probabilities:- a). Two or more persons will have the…

Q: Two sets of cards with a letter on each card as follows are placed into separate bags. Bag 1: I L J…

A: Solution

Q: a) Create a frequency table to organize the data b) Create a frequency histogram for the data ( 1.…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: (a) a certain test tube contains 2 micro-organisms, (b) exactly 3 out of 5 test tubes contain 2…

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Q: Listed below are foot lengths (mm) and heights (mm) of males. Find the regression equation, letting…

A: Solution-: Let, X=Foot length (mm) and Y=Height (mm) We want to find, (a) The regression equation Y…

Q: Find the value of z so that the area under the standard normal curve from 0 to z is (approximately)…

A: It is given that the area under the standard normal curve. Here, need to find out the z-value in…