Jse the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (3.0,3.6) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is

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A: We have given that p = 40% = 0.40 n = 8 X follows the Binomial (8, 0.40)The PMF of the Binomial…

Q: Show complete solution One bag contains 6 white balls, 3 red and 4black balls, and a second bag…

A:

Q: The probability that I miss the bus to work on any day is 0.1.Whether I catch the bus on any day is…

A: Let p be the probability of missing the bus. Given that p = 0.1. Let q be the probability of…

Q: An article suggests that substrate concentration (mg/cm3) of influent to a reactor is normally…

A: Mean(µ) = 0.30Standard deviations (σ) = 0.07X ~ N (µ, σ )= N(0.30, 0.07)

Q: 4. Which of the following expressions represents the number of distinguishable permutations of the…

A:

Q: Show E(X²)

A: First we have to determine the marginal pdf of X tp calculate the value of E(X2).

Q: The weight distribution of parcels sent in a certain manner is normal with mean value 16 Ib and…

A: Given

Q: draw box contains 4 pink, 5 white and 6 gray balls. Three balls are drawn at random from the draw…

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A: here define events person have disease = A test Positive  = B

Q: Pr(A) = 0.2 %3D Pr(B) = 0.4 %3D Pr(A|B) = 0.5 Hence, find Pr(A n B) Select one: О 0.1 O 0.2 O 0.3 O…

A:

Q: 2) Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and the…

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Q: 300 students were surveyed. 100 students from 3 different grades were identified and asked if they…

A: The probability of an event is the number of cases favorable to that event divided by the number of…

Q: If probability events A and B are independent what can we be sure of? P(ANB) = P(A) P (B) P(A) +…

A: From the provided information, There are two events A and B which are independent.

Q: Let X and Y be jointly cantinuous random variables with joint PDF is given: $ X,Y (x.y) =…

A:

Q: Ex 1. There are two machines available for cutting corks intended for use in wine bottles. The first…

A: General guidance Concepts and reason Normal distribution: Normal distribution is a continuous…

Q: A 1 4 5 7 8 23. What is the Sample space? A. S = {1, 2, 3, 4, 5,6,7,8} B. S = {3,4,7} C. S= {1, 2,…

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Q: Raffle Tickets Problem Senior citizens of a particular barangay organize a Christmas raffle bonanza.…

A: The probability is compute by taking the ratio of number of favourable outcomes to total number of…

Q: Kumu is an ideal space for newbie live streamers who want to keep everything under control. Madam…

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Q: 2. There are 50. The teacher had only ten free tickets for the Art Museum for this class. Therefore,…

A: The following solution is given below:

Q: 1) A chalk box contains 5 pink chalks and 4 white chalks. If three items are picked at random,…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted

Q: Random variables X and Y have the joint PMF with a constant k P(x, y) = }"0. Skxy, x = 1,4; y = 1,3…

A:

Q: If contracted with a novel coronavirus infection, the probability that a person will die is 0.001.…

A: Given,n=8000p=0.001

Q: 1. A college freshman must take a science course, a humanities course, and a mathematics course. If…

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Q: b. Set up intervals of random numbers that can be used to randomly generate the three cost…

A: Given The management of Brinkley Corporation is interested in using simulation to estimate the…

Q: a) what is the probability of randomly selecting an 11th grad student given they own an iPhone? b)…

A: here use given table, and some basic rule of probability

Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:µ = 78.1 Ha:µ >…

A:

Q: the odds against the event happening?

A: here p = probability of event  = 88/89

Q: Determine the measure of position illustrated in each of the following. 1. A quiz was taken by 35…

A: Since you posted a question with multiple subparts, we will solve first three subparts for you. To…

Q: 7. A pumping station operator observes that the demand for water at a certain hour of the day can be…

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Q: Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.2…

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Q: (a) Find the probability distribution for Y. P(Y = 0) = P(Y = 1) = P(Y = 2) = P(Y = 3) - (b) Find…

A:

Q: You are given: (i) 50 claim amounts; (ii) Claim size is uniform in [0, 0); (iii) The full…

A: The following information has been given: The expected number of claim amounts =50 The claim size is…

Q: 7. A large corporation wants to find out which benefits plan its employees would procedure would be…

A: Given: A large corporation wants to find out which benefits plan its employees would prefer.

Q: Between the hours of 2 and 4 p.m. the average number of phone calls per minute coming into the…

A: Given: The number of phone calls follows a Poisson distribution with mean = 2.5 calls per minute.…

Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by f X,Y (x, y) = (x+y)/21…

A: f(x,y)=(x+y)/21 ; x=1,2,3 and y=1,2

Q: A quality-control inspector has ten assembly lines from which to choose products for testing. Each…

A: A quality-control inspector has ten assembly lines from which to choose products for testing. Each…

Q: If two fair dice are​ rolled, find the probability that the sum of the dice is 5​,given that the…

A: The sample space of two fair dice is S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3)…

Q: Suppose that P(A)=0.46 and P(B)=0.75. Which of the following is the probability of A complement? (a)…

A: Here use Rule of basic probability  P(A) = 0.46 P(B) = 0.75

Q: corporation is selecting where to develop a restaurant with a capital of Php 3,000,000. They can put…

A: Given - If we start restaurant in commercial state, 65% chance to earn 2,000,000 35% chance to loose…

Q: Assume that n > 2 and x E A is a fixed element. How many unordered selections without repeats of k…

A: N>2, X is the element A is a fixed element  How many unordered selections withouts repeats of  k…

Q: Solve the following problems involving permutations and combinations. Show your solution. 1. In how…

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

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Q: A teacher categorized students by whether they regularly completed their homework (or not) and…

A: Given that    Completed homework  Did not Completed homework  Total  Passed the course  23 8 31…

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Q: A person has a cough and flu-like symptoms and gets a PCR test for COVID-19, which comes back…

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Q: Problem 3. A lottery gives you an award if you are able to choose correctly at least 5 numbers out…

A: Here it is without replacement model so use hypergeometric distribution

Q: A bag contains 3 Red and 7 Blue counters. Two counters are taken from the bag at random, without…

A: We have Number of red balls = 3  Number of blue balls = 7 Total balls = 3+7 = 10 Here we have to…

Q: 1) Suppose Z~N(0,1). Find the following (round all answers to 4 decimals): a) P(Z 1.65) d) Find Z…

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Q: Supposed that the mean age of the employees of warrior's corporation is 45.5 years and the standard…

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Q: (c) Write the formula for the joint conditional probability of distribution of X,U given that Y =-…

A: