A particular fruit's weights are normally distributed with a mean of 566 grams and a standard deviation of 25 grams. If you pick 25 fruits at random, what is the probability that their mean weight will be between 561 grams and 568 grams? Round your answer to three decimal places.

Q: Suppose that the efficacy of a certain drug is 0.38. Consider the sampling distribution (sample size…

A:

Q: A poll for a statewide election has a margin of error of 3.59 percentage points. How many voters…

A: given data  E = 0.0359 90% ci for p  n = ?

Q: 3. The Dean of the College of Engineering of UPang undertakes a study to relate the starting salary…

A: Pearson product moment orrelation coefficient are user to measure the linear relationship between…

Q: QUESTION 15 Sampling distribution of X is the a. probability distribution of the sample mean. b.…

A: we have to find sampling distribution of x¯ represents what value?

Q: Determine the sample size needed to create a 99%

A: Given that  Margin of error =E =0.05 99% confidence.

Q: Suppose the monthly salary of persons living in a community is normally distributed with mean $2000…

A:

Q: Heights of Models In a New York modeling agency, a researcher wishes to see if the average height of…

A: The sample size is 20. The sample mean is 65.8. The sample standard deviation is 1.7. We have to…

Q: The proportion p of residents in a community who recycle has traditionally been 70%. A policy maker…

A: We have given that  Sample size n =250 Favorable cases x =156 Sample proportion p^=x/n  =156/250…

Q: The Distribution of the Sample Mean is A. normal…

A: Using Normal distribution property

Q: Consider the sample 13, 19, 18, 20, 16, 9, 10, 7, and 8. Find the mean? Show the solution and write…

A: Given that  The data are X : 13, 19, 18, 20, 16, 9, 10, 7, 8.

Q: 2) In a certain town, 22% of voters favor a given ballot measure. For groups of 21 voters, find the…

A: Given that, The number of voters is, n = 21 The probability of voters favor a given ballot measure…

Q: The Coffee shop's mean sales are $2000 a day, with a standard deviation of $1000. what're the…

A: GivenMean(μ)=2000standard deviation(σ)=1000

Q: 1. A bank operates a drive-up and walk-up window. Let X = the proportion of the time the drive-up…

A:

Q: Suppose the lengths of human pregnancies are normally distributed with µ = 266 days and = 16 days.…

A:

Q: 7. Starting Salaries for Business Graduates. Mi. Employment Research Institute found that starti…

A: Given claim: The mean starting salary for business majors in 2018 is greater than the mean starting…

Q: if one score is randomly selected from a normal distribution with a population mean of 22 and a…

A: given data,normal distributionμ=22σ=16we have to find out the  probability of obtaining score…

Q: A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that…

A: GivenConfidence level=99%Margin of error(E)=5standard deviation(σ)=22

Q: Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s)…

A: From the provided information, y^=12+1.8x And n = 17, SSR = 225, SSE = 75, Sb1 = 0.2683

Q: seems that  of engaged women buy a wedding dress at least one size smaller than their current size.…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted.....…

Q: The time required for an automotive center to complete an oil change service on an automobile…

A:

Q: a) to right of z = 0 b) to left of z = -1.32 c) to left of z = 0.45

A: Given that.   X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?…

Q: Suppose X-N(5,1), find: (a) P(X < 2.5) (b) P(X ≥ 4.6) (c) P(|X| ≥ 3) (A) POLY 512)

A: Given that X~N5,1 a) P(X&lt;2.5): P(X&lt;2.5)=0.0062

Q: Belief in UFOs A survey found that 5% of people believe that they have seen a UFO. Choose a sample…

A: In this problem we will be using binomial distribution.  n=15 Now lets assume that X be the random…

Q: t is the importance of statistics in research?

A: Given that  we have  the importance of statistics in research

Q: Use the given information to find the critical values  and .  (Use technology or the attached…

A: Givenconfidence level=80%sample size(n)=26standard deviation(s)=65.3

Q: Use the following salary data for this exercise: $44,751            $38,862            $52,000…

A: Orginal data :(n= 6. Even) 44751,38862,52000,51380,41500,61774 Arrange :…

Q: Assume that you have a sample of n₁ = 7, with the sample mean X₁ = 44, and a sample standard…

A: From the provided information, n1=7x1=44s1=6n2=15x2=32s2=5

Q: A software company is interested in improving customer satisfaction rate from the 74% currently…

A:

Q: 3) Find the standard deviation, o, for the binomial distribution which has the stated values of n…

A: given data  n = 503 p = 0.7 binomial distribution  standard deviation(σ) = ?

Q: he mean SAT score in mathematics is 510. The standard deviation of these scores is 43. A special…

A: given data,n=60x¯=523α=0.05σ=43claim :μ&gt;510one- tailed test

Q: Sample satisfaction scores about the two retailers by the customers are shown below. In the report,…

A: There are two independent samples which are Retailer A and Retailer B. We have to test whether there…

Q: Find a value of c so that P(Z ≤ c) = 0.54.

A: Know that    X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: Erin have that 30.50% compounded he Plans to from this end of at every quarter for quarter for 8…

A:

Q: ed Sites Amazon.com - Onl.. SST = Ebay hp HP- See What's Hot a. Compute SST, SSR, and SSE (to 3…

A:

Q: 11. The number of consumers purchasing a particular item on a given day is found to be uniform over…

A: 11)Given A random variable x~Uniform(16,28)f(x)=1b-a  a&lt;x&lt;bf(x)=128-16…

Q: If 25 different women are randomly​ selected, find the probability that their mean weight is between…

A:

Q: In how many ways can the letters of the word "KATHI" be arranged? Show work. A committee of 3 is to…

A: d) The word is given as “KATHI”.

Q: The test statistic of z = 0.85 is obtained when testing the claim that p > 0.2. Identify the…

A: From the provided information, The test statistic of z = 0.85 is obtained when testing the claim…

Q: uppose X and Y are independent random variables. If the pdf of x is xe ",x ≥ 0 and the pdf of y is…

A: Solution

Q: What proportion of variance in husband height is predictable from wife height? What proportion of…

A: Given that rXY=0.32 The proportion of variance in husband height is predictable from wife height is,…

Q: For each of the following hypotheses, identify which statistical test we could run in order to…

A: As per our guidelines, I can solve only first 3 subparts. Kindly post the remaining subparts again…

Q: Suppose an anthropologist discovered a new African tribe consisting of 356 people. He measured the…

A: We use the code below to calculate the above:

Q: A recent poll of 300 executives' exercise habits revealed that 95 run and 127 bike.  49 reported…

A: P(A or B) = P(A) + P(B) - P(A and B)  Probability = favorable/total

Q: The deer population in a certain area was 85 deer. They grew at a rate of 12% over 10 years.  What…

A:

Q: The dataset of NYREFORM is below and the case entitled “A Bipartisan Agenda for Change” (attached).…

A:

Q: In certain country, 43% of the population has type A blood. Suppose 21 people from that country are…

A: Givenp=0.43n=21Let "x" be no.of people have type A…

Q: Before every flight, the pilot must verify that the total weight of the load is less than the…

A:

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 422 green peas…

A: From the provided information, Sample size (n) = 422 + 154 = 576 From which 154 yellow peas so…

Q: The actual scores that were measured originally and have not been transformed are called:​ Select…

A: we have to identify correct term used for the actual scores that were measured originally and have…

Q: For the given question solve the following: (a) Construct the cumulative distribution function. (b)…

A: f(x)=1/[xln(1.5)] 4≤x≤6