below, solve for the follow -2

Q: what is the probability that the mean of the sample is greater than 110?

A: Let M denote the mean of sample of size n = 90. According to Central limit theorem, approximately M…

Q: A certain test for a particular cancer is known to be 95% accurate. Aperson submits to the test and…

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Q: generating two symbols, dots and dashes. We observed that the dots were twice as likely to occur as…

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

A: Let X be the random variable from normal distribution with mean (μ) = 50 and standard deviation (σ)…

Q: Find the mean, median, and mode(s) of the data. Do not round. 126, 62, 144, 81, 144, 103

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Q: Question 18 Total Y 33 74 65 A 22 41 40 82 62 Total What is P (C or X)? Round to 4 decimal places.

A: X Y Z TOTAL A 33 74 65 172 B 22 41 40 103 C 82 62 7 151 TOTAL 137 177 112 426

Q: Suppose IQ scores were obtained for 20 randomly selected sets of twins, The 20 pairs of measurements…

A: Solution

Q: What is the probability of drawing 2 cards from a deck of 52

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Q: Consider the data below. Three random samples in different cities were selected. Water use per…

A: There are 3 independent samples which are city 1, city 2 and city 3. We have to test whether samples…

Q: A letter is chosen at random from the word 'ASSASSINATION'. Find the probability that letter is (i)…

A: Given word is " ASSASSINATION"Total no.of letters=13no.of vowels=6no.of consonanuts=7

Q: The time (in minutes) between arrivals of customers to a post office is to be modelled by the…

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Q: An Internet Service Provider opens 10 new accounts per day, on average. Let X be a random variable…

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Q: Lisa asked students in two classes to name their favorite school subject. She summarized her survey…

A: Independent events are those events whose probability is not influenced by the occurrence or…

Q: Given that X is a random variable having a Poisson(2) distribution, compute the following: (a) P(X =…

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Q: A notebook comes in 4 colors: red, yellow, green, and blue. They come in two types: 5-subject and…

A: Here Given  No of Colors of Notebook =4 (Red,Yellow,Green,Blue) No of Subjects type =2 (5 subjects…

Q: 3. The alkalinity level of water specimens collected from a certain river is approximately…

A: Given,sample size(n)=20mean(μ)=50standard deviation(σ)=2.5

Q: The state lottery board is examining the machine that randomly picks the lottery numbers. On each…

A: Given Machine trials=1000

Q: Lisa is playing a game in which she spins a spinner with 6 equal-sized slices numbered 1 through 6.…

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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: A. Suppose a certain retail store has customers whose ages are normally distributed such that u=37.5…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: repeated appearance of the ame symbol in a sequence is called a run. For example the sequence…

A: The given random sequence is independent with bernaulli parameter 2/3

Q: nts) the table below shows the number of books the Jefferson Middle school students read each month…

A: Given information: Months=September, October, November, December, January, February, March, April,…

Q: Find probabilities to complete the sentences. The probability that Yuri will make a free throw is…

A: The probability that Yuri will make a free throw is 0.3.

Q: Il Pause Probabilities associated with events A and B are shown in the Venn diagram. Event A Event B…

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Q: If a dice is thrown twice, find the probability of getting two 5’

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Q: A fair coin is tossed successively. Let X; = +1 if the jth toss is a head, -1 if the jth toss is a…

A: Introduction In this question we have to show the probability that the last time there was an equal…

Q: Question 27 The owner of a small business is considering three options: buying a computer, leasing a…

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Q: Suppose that X is a normal random variable with mean 5. If P(X > 9) = 0.2 ,approximately what is…

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

A: Grouped frequency distributions are useful for large data.

Q: In order to determine the percentage p of units from certain statistical population which share a…

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Q: The number of pizzas consumed per month by university students is normally distributed with a mean…

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Q: You and your friends decide to play a game. You are rolling a die. If you roll a 6, you win $5. If…

A: The outcomes of rolling a die are {1, 2, 3, 4, 5, 6}.

Q: Assume that the distribution for the following scenario is normal. Use the standard normal table to…

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Q: A. Find the area under the standard normal curve. from z = 0 to z = 1.46 from z = -0.32 to z = 0.98…

A: As per company guidelines I solved exactly three subparts of the first question ..thank you

Q: 2. A coin is dropped from a height of 1.0000 m for 10 times. The amount of time required to reach…

A: Given information: Height from which coin is dropped=1 mNumber of times coin is dropped=10

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: The table shows data about student involvement in extracurricular activities at a local high school.…

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Q: Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation 2.2…

A: Given problem Given that   The mean weight of school children's book bags = μ = 17.5 pounds…

Q: Students graduating Atlantis University are being administered a test to check their general…

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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: 25. Let X and Y be continuous random variables with joint density function for 0 <x < y S 2 f(x, y)…

A: Solution

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: probability

A: Tree Diagram: It represents all the possible outcomes of an event in a tree format. It starts with a…

Q: 4. Let (X,Y) be distributed with joint pdf ·[1 + xy(x² − y²)] if |x| ≤ 1, [y] ≤ 1, f(x, y) = - £1¹+²…

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Q: Consider the random sample of college students. Data on gender and Full or Part-time student course…

A: Given Total gender 113 Alpha=0.05

Q: Question 2 X has the following PDF: * 120 fx (x) = otherwise Find the PDF fy (v) in the following…

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Q: The average rainfall, recorded to the nearest hundredth of a centimeter, in New York City, for the…

A: Let X be the random variable from normal distribution with mean or average (μ) = 9.32 and standard…

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

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Q: Suppose we decide to charge a per ounce price of $2, while at the same time our rival charges a…

A: If we charge $ 2 price per pound and at the same time our rivals charge a price of $ 2.15

Q: B. Find the value of z so that the area under the standard normal curve from 0 to z is…

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