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

Q: Calculate the mean and variance of the random variable y, whose probability mass function is: f(y) =…

A: Farmula used E(Y)=∑YP(Y=y) Variance=V(Y)=E(Y2)-(E(Y))2

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

A:

Q: Syringes, pens, jet injectors, pumps, ports and even inhalers are the various ways for diabetics to…

A: Given:The given problem is based on confidence interval.The sample size of group A (n1)=100The…

Q: 9- The probability density function of the random variable X whose moment generating function () (1…

A: Let us consider, the probability density function, fx=x+13, x=0,1

Q: If the average number of rodents in a cotton farm with a surface area of 20 dunams is 2 per dunum,…

A: Given : Mean =  λ = 2

Q: An examination consists of multiple-choice questions, each having five possible answers. Suppose you…

A: Let A be the event that you give the correct answer. Let B be the event that you know the answer.…

Q: A personnel director wishes to compare the effectiveness of two methods of train- ing industrial…

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Q: 31% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each…

A: Solution

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 discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23,…

A: Given information: E(x)=3 P(x) 0.12 0.15 0.23 0.3 0.2 x 1 2 3 4 5

Q: If 4 Maths books are selected from 6 different Maths books and 3 English books are chosen from 5…

A: Solution  Given That,  If 4 Maths books are selected from 6 different Maths books and 3 English…

Q: The logistic model P(n) = OA. a) Use a graphing utility to graph P= P(n). The graphs are shown in…

A:

Q: Nine percent of the population has blood type B. If we choose 18 people at random, what is the…

A: Given,n=18p=0.09q=1-0.09=0.91Let X= no.of people have blood type B in a sample of 18…

Q: .Find the standard deviation of -2, 7.2, 6.9, -10.4, 5.3 6 .a O 6.9 .b O 7 6.78 .CO .d O

A:

Q: bility 0.2. Supposing that there are only sunny or rainy days, in the long run on what fraction of…

A: here given ,  On a Southern Pacific island, a sunny day is followed by another sunny day with…

Q: Is the given statement true or false? False O a. b. True "Cr= "Cn-r

A: Solution-: Is the given statement true or false? nr=nn-r

Q: 10 Andy, Joseph and Wai Lung formed a team to take part in a quiz. The ratio of the number of points…

A: Given that Andy, Joseph and Wai Lung formed a team to take part in a quiz. The ratio of the number…

Q: A package contains ten yellow, six green, eight purple, and nine red candies mixed together. What is…

A: here given A package contains ten yellow, six green, eight purple, and nine red candies mixed…

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

A: (A)   Obtain the proportion of food deliveries that took less than 15 minutes to assemble. The…

Q: Twelve books are placed on a shelf in random order. What is the probability that their titles are in…

A: Given that, Twelve books are placed on a shelf in random order. We have to find the probability of…

Q: Banach space and T E B(X) an operator with 1+ ||T||

A: To prove, id+T=1+T

Q: 0. The average service rate is 14 people per hour. What is the average time required to serve a…

A: The average number of people arriving = 10 per hour The average number of people getting services =…

Q: At a college, 33% of all students are taking a course in solar design, 48% are taking a course in…

A:

Q: You are a thief overhearing someone's safe combination, which consists of a 5-digit number sequence.…

A: The number of 5 digit numbers is 100000 (from 00000 to 99999) Then obtained by selecting digit form…

Q: f(x, y) = ) = (x ² + 232,0. +3,0 < x < 1,0 < y < 2, elsewhere. 0, g(x)= 2x (x + 1/3), h(y)= 1/3 +…

A: Given f(x,y)= x2+xy/3 ;0&lt;x&lt;1, 0&lt;y&lt;2  Note: According to Bartleby guidelines expert solve…

Q: 6 6.9 7 6.78 .a O .b .CO .d

A: Given Data -2, 7.2,6.9,-10.4, 5.3

Q: The probability a component is acceptable is 0.8. Five components are picked at random. What is the…

A: Given,n=5p=0.8q=1-0.8=0.2A random variable X~Binomial(n=5  ,  p=0.8)P(X=x)=Cx50.8x0.25-x   ;…

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

A:

Q: If (xoy). X 2 4 · 10.10 3 0.15 0.20 0.30 5 0·10 0·15 d. Determine the cumulative distribution…

A: Given data is  f(x,y) x 2 4 Total y 1 0.10 0.15 0.25 3 0.20 0.30 0.50 5 0.10 0.15 0.25…

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

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Q: A letter is known to have come either from LONDON or CLIFTON. On the postmark only the two…

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Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 a. 3; 7.141 O b. 3; 2.414…

A: Given the data set we have to find mean and standard deviation of the dats set.

Q: that there was no infection by that disease :in a town of 100,000 population is

A: Here given, Percentage infection of disease in country was 0.005 So  p = 0.00005  q = 1- p = 0.99995…

Q: The combination to a lock consists of a sequence of three numbers in the range 0-28. a) How many…

A: Solution Given That, The combination to a lock consists of a sequence of three numbers in the range…

Q: 26 Is it possible to take a walk around the city whose map is shown below, starting and ending at…

A:

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

A: Given data: P = 0.70 sample size = 10

Q: The average number of cycles of charging of rechargeable batteries manufactures in a certain factory…

A: Given information- Population mean, µ = 485 Population standard deviation, σ = 32 Let X be the…

Q: On a multiple choice quiz, there are eight questions. Each question has four choices (A, B, C or D).…

A: GivenSample size(n)=8p=14=0.25                          (one correct choice in four…

Q: If I inform you that you have a 90% chance of passing this IE 223 course if you get an 85 or higher…

A: As Prof. N. G. Das said "Let A and B be two events with P(A) &gt; 0. Then the conditional…

Q: Assume A and B are independent events with P(A)=0.42 and P(B) = 0.65. Find (a) P(A n B), (b) P(AUB),…

A: Formula : P(A' n B) = P(B) - P(A n B)  P(A n  B') = P(A) - P(A n B)

Q: The table summarizes results from 981 pedestrian deaths that were caused by automobile accidents.…

A: The union probability for any two events A and B is defined as P(A or B) = P(A)  + P(B) – P(A and…

Q: 5. M = 3₁ 0² = 9₁ P/²6 < X < 12) a. Determine Plμ -ko < X < µ + ko ) 2 1 - 1 / / / k²

A: P(-6&lt;X&lt;12)=P(-6-33&lt;X-μσ&lt;12-33)=P(-3&lt;Z&lt;3)=P(-3&lt;Z&lt;0)+P(0&lt;Z&lt;3)=0.4987+0.4…

Q: Given A and B in Ω with p(A)=0.45, p(B)=0.75 and p(B-A)=0.5, calculate p(B|AUB)

A:

Q: ven below. X₁, X2, Xn (1)

A: Given: f(x)=(θ+1)xθ,0&lt;x&lt;10, otherwise

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k, 2k*k,…

A: Solution-: We have given following table: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k2 2k2 7k(k+1)…

Q: 1 Y 9 0.25 0.09 0.02 ។ O P (9) 0.64 if y van don Variable has a mass Function the probability of…

A: Farmula used  E(y)=∑yP(Y=y)

Q: probability that the number on the ticket is divisible by 2 or 3 is

A: here given ,  A bag contains 100 tickets Numbered 1,2,3,....100  there are total 100/2 =  50 Numbers…

Q: The probability that none of the three bulbs in a set of traffic lights will have to be replaced…

A:

Q: 5- If X and Y are uncorrelated, then they are not necessarily statistically independent. O True O…

A: Given a statement related to correlation, we have to write the statement is true or false.