EN: POPULATION MEAN: 94.60 AND POPULATION STANDARD DEVIATION: 2.3324 What is the percentage that a random sampling of five out of fifteen responders on the pre-test scored at least 95 out of 100?

Q: [Q1] From the letters {A, B, C, D, E, F, G}, how many: (a) 3-distinct-letters codes can be…

A: here given ,  letters {A,B,C , D,E,F, G} there are 7 letters given , from which without repetition 3…

Q: 11:55 Find the probability of no more than 2 successes in 5 trials of a binomial experiment in which…

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Q: Let X be a continuous random variable whose probability density function is: x ≥ 1 0, x < 1 Then…

A: Answers: 0.75   1

Q: What does a 95% confidence interval actually mean? O There is a 95% percent chance the population…

A: Solution-: What does a 95% C.I. actually mean? (a) There is a 95% chance the population mean is…

Q: V Determine if there is an outlier in the given data. If yes, please state the value(s) that are…

A:

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 18. (a) Find…

A: Solution-: Given :λ=18 We want to find, (a) P(fewer than 14 field mice are found on a given acre)=?…

Q: A magician draws 13 cards from a deck. Determine the chance that he gets two five ♥, three, and…

A: Obtain the probability that he draws 2 diamonds, five hearts, 3 spades and 3 clubs. The probability…

Q: A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed,…

A: Given The null and alternative hypothesis isH0:p≥0.3Ha:p&lt;0.3

Q: ist Coll n 7 Videos 2 W S Mat 170-772 Elementary Statistics - Summer 2022 (Starts 6/6) Homework:…

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Q: [Q2] The probability distribution for the discrete random variable in the table below. Find: c,…

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Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

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Q: Question 2 x 1 | | | | (a) PX = 2) (b) PX > −2) (c) P(−1 < X <1) (d) PX < -1 or _X = 2) 2

A: Given data is x -2 -1 0 1 2 f(x) 1/8 2/8 2/8 2/8 1/8

Q: (a) P(X 5) (d) P(X 8)

A: AS PER POLICY I HAVE CALCULATED 3 SUBPARTS , PLZ REPOST FOR REMAING WITH NOTE I NEED THIS THIS  HERE…

Q: average height of all male students in the school is less than 185 centimeter? Use 5% level of…

A: here given  sample size =  n   = 20  sample mean  = 180 cm  sample standard deviation = 10cm  here…

Q: [Q3] A sample of 200 people are classified as below. If a person is picked at random from this…

A: Total no: of persons, n=250 M-male F-female no: of male, n(M)=128 no: of female, n(F)=122…

Q: Q5:A: The following data represent the quantities sold x,and prices y; for a commodity, find a…

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Q: Let X be a continuous random variable with density function fx(x)= (a) Find P(X> 10). (b) Find the…

A: Solution Given

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A: Given,  Task is flipping a coin and we have to find the probability of getting fourth tail on the…

Q: Suppose that there is a 1.7% chance a planet will develop life, a 2.8% chance that the life will…

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Q: Question 6 Suppose that f(x)-e) for 4 <x. Determine the (b) P(2=X<5) (d) P(8 < X < 12) following:…

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Q: There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there…

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Q: f(x, y) = 24 0, ≤ y ≤ 4 otherwise

A: f(x,y) = 124(6-x-y) 0≤x≤2, 0≤y≤40    OW Marginal Density Functionfx(x) = ∫xf(x,y) dyfy(y) = ∫yf(x,y)…

Q: Gannon University would like to test the claim that the proportion of women enrolled in the…

A: From the provided information, Sample size (n) = 75 From which 50 are women. Level of significance…

Q: Suppose that there is a 0.9% chance a planet will develop life, a 2.3% chance that the life will…

A: Given  Probability of a planet can develop life=0.9% Probability of a planet can evolve into…

Q: 2- Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A/B) = 0.1. Then P(A|AUB) is O True…

A: Answer : - Given two events A and B  s.t.                 P(A)  = 0.5,    P(B) = 0.3   and   P(A|B)…

Q: 5 4 ald -0.01 3 2 -0.02 Table 2C: Jarque-Bera Test 0.00 0.01 0.02 0.03 Series: Residuals Sample…

A: Solution: The distribution of residuals follows normal

Q: IQ scores of people around the World are normally distributed, with a mean of 100 and a standard…

A: Given that: Mean μ=100 Standard deviation σ=15 A genius is someone with an IQ greater than or equal…

Q: 2/ Let the Polf fext = then E(X) is 2. 225 (30-x) 225 ③2x815 15 ≤x≤ 30

A: It is given that  The pdf of X is, f(x) = {  x/225,   0≤x≤15              (30-x)/225,   15≤x≤30 }.

Q: In a certain city, the daily consumption of electric power, in millions of kilowatt-hours, is a…

A: Given:Define,X:Daily consumption of electric power in millions of kilowatt-hours.X follows gamma…

Q: Pandora, the owner of a food delivery app, knows from experience that the time needed to assemble a…

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Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Given,n=40p=0.46q=1-0.46=0.54

Q: The random variable X, representing the number of cherries in a cherry puff, has the probability…

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Q: Your friend grabs a die at random from a drawer containing two 4-sided dice, one 8-sided die, and…

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Q: A construction company has 100 workers divided into 3 groups working in 2 projects as tabulated…

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Q: Let X denote the amount of time in hours that a battery on a solar calculator will operate…

A: Given,f(x)=253x-3     ;  2&lt;X&lt;10

Q: probability that the member selected at random i from the shaded area of the graph is (Round to four…

A: Given that.   X~N( μ , ?^2 )   μ=20.5   , ?=5.3   Z-score =( x - μ )/?

Q: biologist studying a hybrid tomato found that there is a probability of 0.70 that the seeds will…

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Q: Find the indicated z-scores shown in the graph. Click to view page 1 of the Standard Normal Table.…

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Q: The tree diagram represents an experiment consisting of two trials. 5/ 6 D Are A and Cindependent…

A: Given a tree diagram, using the tree diagram we have to find are A and C are independent events.

Q: A laundry shop averages 5 customers per hour. Assume that the number of customers is a Poisson…

A: Given that Averages 5 customers per hour.  Using Poisson distribution A. What is the probability…

Q: Consider a plane with a maximum capacity of 50 passengers. Suppose it is known that on a particular…

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Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c=0.98,…

A: Given,c=0.98 , σ=7.3 , E=2and Zc=Z0.98=2.3263     (from Z-table)

Q: Government regulations dictate that for any production process involving a certain toxic chemical,…

A: Solution

Q: Defects occur at random in planks of wood with an average of 0.5 per 10 cm length. Office building…

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Q: In a certain battery manufacturing plant, three factories, F1, F2, and F3, make 35%, 47%, and 18 %…

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Q: What is the range of all integers greater than 40 and less than 99 that are multiples of 3

A: To find : The range of all integers greater than 40 and less than 99 that are multiples of 3

Q: 2- Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A|B) = 0.1. Then P(A|AUB) is O True…

A:

Q: travel from her home to her morning class is uniformly distributed between 22 and 30 minutes. If she…

A: It is given that the time required by a certain student to travel from her home to her morning class…

Q: bability is

A: Given Mean=6 minutes

Q: What can we learn from analyzing the standard deviation for a dataset that we can't learn from the…

A: The measure of central tendency provides a measure about the center of the set of the observations.