In the fifth grade at Lenape Elementary School, there are 4/7 as many girls as there are boys. There are 66 students in the 5th grade.

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A: Hypotheses are H0: P=0.50 H1: P≠ 0.50   The level of significance is 1-0.99 =0.01 CLT is suitable…

Q: You are dealt a hand of 13 cards, find the probability that you have 4 hearts, 3 spades, 5 diamonds…

A: Given that  Total number of cards=52 Number of hearts cards=13 Number of spades cards=13 Number of…

Q: Soalan/ Question 2: Given a normally distributed population with a mean of 75 and a variance of 625,…

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Q: (a) Consider a t distribution with 24 degrees of freedom. Compute P(-1.00 <1<1.00). Round your…

A: Here we have to find the a) Probability of t distribution table with degrees of freedom = 24 b) we…

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A: Given that.  Probability mass function of X  X 0 1 2 3 4 5 P(x) 90% 3% 2% 2% 2% 1% X=Number…

Q: ملاحضة / / يجب كتابة النتيجه فقط 1. How many odd numbers with at most two digit can be formed using…

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Q: Score frequency <cf 95 – 99 1 110 90 – 94 4 109 85 – 89 13 105 80 – 84 22 92 - 75 – 79 19 70 -- 70-…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: For any real number y, defined y* by Sy, if y > 0 y+ 10, if y < 0 Let c be a constant a. Show that…

A: Given  y+=y , if y≥00 , if y&lt;0

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Q: The probabliity density function for the random variable X is given by x2. f(x) = {(25 - x2), 0, 0<x…

A: Given that ; Here a probability density function is given.  By using the concept of cumulative…

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Q: Q3: Let i be the observed mean of a random sample of size n from a distribution having mean u and…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: In a shipment of 25 parts a company accidentally included 7 defective parts. If an inspector…

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Q: Q3) Evaluate triple integral dz dx dy.

A: Solution

Q: nd a sixth integer between 1 and

A: a)  A player in the power ball lottery picks five different between 1 and 69  ways to choose first…

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A: Given Information: Consider the given data: Test A Test B 81 93 100 73 88 83 85 98 84…

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Q: In how many ways can they be placed into the five positions of the high committee if i. there is no…

A: HERE GIVEN JESS AND HER 4 CLASSMATES HAVE BEEN SELECTED TO FORM COMMITEE

Q: 3. A biomechanics researcher wanted to test whether good, average, and poor sprinters differed in…

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Q: What is P(X = 3|Y=2)? %3D

A: here use given joint distribution table of x and y  here X variable represented by row and Y…

Q: 19. At a raffle, 1500 tickets are sold at P2 each for four prizes of P500, P250, P150, and P75.You…

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Q: a) Suppose that the average number of inquiries received by a customer service center of a IT…

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Q: a) What is the expected value for the woman buying the insurance? Round your answer to the nearest…

A: here use expected value  A 35-year-old woman in the U.S. has a 0.1107 % risk of dying during the…

Q: QUESTION 2 WB and ZA are two competing grocery stores in a particular region. The probability that a…

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Q: Consider the data set shown. The mean X value is 6 and the mean Y value is 5. X Y 2 8. 5 6. 1 8. 4 9…

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Q: Approximately 1.55 percent of people ages 40-50 have breast cancer.* Suppose a person has a 86…

A: Probability is a chance of occurrence of any event.

Q: According to a report done by S&J Power, the mean lifetime of the light bulbs it manufactures is 45…

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Q: Q1. Age and pulse rate on a study of 6 people is as follows. Age 1 5 Pulse 130 10 15 20 25 110 100…

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Q: 2. A standard deck of playing cards consist of 52 cards. Each card has a rank and a suit. There are…

A: When a card is drawn from a standard deck, each card has the same probability of getting selected.…

Q: 8. There are 18 girls and 12 boys in a class. (2/9) of the girls and (1/4) of the boys walk to…

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Q: Question 4: The H2 Hummer limousine has eight tires on it. A fleet of 1300 H2 limos was fit with a…

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Q: pieces of spare parts for the production of a company and the probability distribution of the number…

A: Given that  X 0 1 2 3 4 P(x) 0.02 0.20 0.30 0.10 0.08

Q: 4. Sketch the graph of the following p.d.f. Also, find and sketch the graphs of the distribution…

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Q: Before After Consider the depiction of gas molecules before and after the divider is removed. Which…

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Q: Aunt May recently learned about discrete probability. She performed a random experiment of rolling a…

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Q: A Markov chain is described by the transition diagram 1/4 1/4 S 1/2 1/2 SA 1/2 1/2 1/3 1/2 (S) Ss 1…

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Q: A quality control inspector is checking a sample of light bulbs. The table summarizes her results.…

A: The total number of light bulbs is 258.

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Q: Study delermined that persons age 65 to 74 nave a certain symptom. A group of 19 persons age are…

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Q: A recent survey of students at Regina Mundi College included a question about the number of school…

A: We have given that,  Number of days missed (x)    frequency (f)  0…

Q: 1. Determine the permutations of the following. a. CELLULAR b. FLAMMABLE Ç. AVAILABLE

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  here use basic of permutation   Prn =  n!(n-r)!

Q: (a) the constant b in terms of a. (b) P(X>a). (d) X, X2 and o² . (c) P(a < X < 3a).

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: (a) the constant b in terms of a. (b) P(X>a). (c) P(a < X < 3a). (d) X, X2 and o² .

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted.

Q: Q2: Let x1, X2, .., Xn and y1, y2, .. Ym represent two independent random samples from the…

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Q: A union of restaurant and foodservice workers would like to estimate the mean hourly wage, j, of…

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Q: 2. A politician claims that she will receive 60% of the votes in the upcoming election. Of a random…

A: Given that  Sample size n =200 Favorable cases x =100 Sample proportion p^=x/n  =100/200 =0.5 NOTE:-…