A normal population has mean u 54 and standard deviation o = 7. What is the 84 th percentile of the population? Use the TI-84 Plus calculator. Round the answer to at least one decimal place. The 84 th percentile of the population is 69.9

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Q: 2. Calculate the quartile deviation and its co-cfficient from thec following data. С. I.: 10-15…

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Q: Find and shade the area to the left of cach positive z value. Given Curve 1. C-0.9s 2. z= 1.47

A: As per company guidelines I solved exactly three subparts of the question.thank you

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A: Given that  Mean=μ=31 Standard deviation=σ=6 n=60

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Q: Use the normal approximation to the binomial to find the probability for n=48 p=0.7and X≤40. Round…

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Q: B.2 The average life of a certain type of small motor is 10 years with a standard deviation of 2…

A: Given Population mean μ=10, population standard deviations σ=2  Let X be the lifetime of a motor…

Q: 18. Tó čélébraté the end of both pandemic, the exhausted computer science major Joe Palooka wants to…

A: Given that  P(O)=0.5 , P(N)=0.3 , P(O and N)=0.2 Find P(N | O)

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Q: Baule 4 Test - MAT120C03 Math. Search Results - Films On Demand Question 9 For a standard normal…

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Q: how many different outfits can rhonda wear?

A: Here use combination

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Q: Use the confidence interval to find the margin of error and the sample mean. (1.62,2.00) The margin…

A: Given,confidence interval(CI)=1.62 , 2.00Upper limit(UL)=2.00Lower limit(LL)=1.62

Q: How many permutations are required to be sure of predicting the outcome of tossing a six sided die…

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Q: Exercise 3 Prove that t2 lim (1+ (19)

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A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 6. Mary ranks 10th in a class of 40. Her percentile rank is O A. 90 В. 75 О С. 25 О D. 10

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A: Expected for a probability distribution can be found x and its probability .

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A: Given,The average no.of mice in 5 acre field is 80so, the average no.of mice in 1 acrefield…

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A: Given Information:     λ1=0.1  , t =1000

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Q: Marks (X): 23 29 34 38 47 53 No. of students: 4 9. 11 18 23 31

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Q: card is drawn from a deck of 52 cards. What is the probability that the cord drawn is  a.an even…

A: Here In deck of 52 Cards  No of Even Number cards=20 (2,4,6,8,10 Of each Suits) No of Diamond…

Q: Determine the sample size necessary to estimate p for the following information.

A: here for 4th part  MOE  <= 0.01  confidence level = 99%

Q: Q- 1Consider a Poisson distribution with μ = 3. Compute P(x>=2).   Q-2 Consider a Poisson…

A: Solution-: Q.1 Given: μ=3, Compute P(X≥2)=? Q.2 Given: μ=3, Compute f(1))=? Q.3 Given: n=20,p=0.70…

Q: a) The two distributions have the same shape. answer: b) The two distributions are centered at the…

A: here given, here for first distribution , mean = -8 and standard deviation  = 14 for second…

Q: Choose Wisely! 1. In how many ways can 8 members of Board of Directors be chosen from 5 juniors and…

A: We have given that  Juniors = 5 Seniors = 7 Total = 12   Note: According to Bartleby expert…

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A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) > 0 for all i = 1,…

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Q: 8. In a 60-item test. Anthony got a score of 48. Which is the 3rd quartile. This means that A. He is…

A: Given 3rd quartile=48

Q: vo sixes in a row. Your task =, required to roll two sixes init

A: To find the average of the two sixes in a row as,

Q: For a standardized exam at your school, the mean score is 106.0 with a variance of 401.3. The school…

A: It is given that Sample size n = 10 Sample variance s2 = 178.7 Population variance = 401.3

Q: -Assuming equal sample size (m = n) and A' = -0.25, what should e sizes be if we want to detect such…

A: Given information: Denote the population proportion as p. The confidence level is (1–α) = 90%. From…

Q: (d) Find the p-value. (Round to three or more decimal places.) (e) Can we conclude that the mean IQ…

A: Given that  Sample size n =21 Sample mean =115 Standard deviation=11