Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation = 15. Find the probability that a randomly selected adults has an IQ less than 115. The probability that a randomly selected adult has an IQ less than 115 is

Q: 2. Consider an experiment of rolling five dice. (a) [1 (b) What is the probability that the five…

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

Q: What is the probability that at least two out of n people have some birthday? Assume 365 days in a…

A: According to the classical definition of probability, the probability of an event is the ratio of…

Q: 2. Consider an experiment of rolling five dice. (a) [1 (b) What is the probability that the five…

A:

Q: 3. The cumulative distribution function of X is given by 0 1/2 3/5 F(b)= 4/5 9/10 i. P[X 31 b<0…

A: Note: according to the Bartleby guidelines expert solve only one question and maximum 3 subpart of…

Q: In a certain game of​ chance, a wheel consists of 58 slots numbered​ 00, 0,​ 1, 2,...,56 . To play…

A: GivenTotal no.of slots in a wheel=58       (i.e., 00,0,1,......,56)

Q: A particular industrial product is shipped in lots of 20. Testing to determine whether an item is…

A: Given: Total number of products in one lot=20 Number of samples to be selected=5 Total number of…

Q: Problem Suppose the number of beds in a sample of 12 private hospitals and 15 public hospitals were…

A: For Private hospital:  5th percentile is, P5= 5*(12+1)/100 th term = 0.65th term = 1st term  = 127…

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A: Given data is  sd=15 E=4 We have to calculate sample size n  So formula is    The margin of error E…

Q: 6. A particular telephone number is used to receive both voice calls and fax messages. Suppose that…

A: Let p be the probability of recive fax message n be the sample size  n=25, p=25% Let X be the number…

Q: developments to represent continuing trends: a) What is the probability of randomly picked stock of…

A: Industry Up Down Total Telecommunications 3 2 5 Retail 3 4 7 Tourism 4 3 7 Cloud Computing 5…

Q: Problem 2: Let Y denote the amount of gasoline stocked in a bulk tank at the beginning of a week and…

A: Let X : the amount sold during the week.and Y: the amount of gasoline stocked in a bulk tank at the…

Q: On a quiz show, a contestant stands at the entrance to a maze that opens into two rooms, labeled A…

A:

Q: The pmf of the amount of memory X (GB) in a purchased flash drive is given as the following. 2 4 16…

A: Data given  X 1 2 4 8 16 P(X=x) 0.05 0.15 0.25 0.30 0.25

Q: In an urn we have 8 red balls. Find the minimal number of white balls to be added to have the…

A: Given,total number of red balls in an urn = 8

Q: Based on responses from 1,151 US residents, the survey reported a 95% confidence interval of 3.40 to…

A: It is given that  95% confidence interval = ( 3.40, 4.24 ) Total residents = 1151

Q: Covid-19 ward nurses worry about the number of arriving patients in their ward. In a typical…

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

Q: Five cards are chosen at random from an ordinary deck to form a hand in poker. In how many ways is…

A: It is given that five cards are chosen at random from an ordinary deck to form a hand in poker.

Q: A large operator of timeshare complexes requires anyone interested in making a purchase to first…

A:

Q: assistant place th En Understanding The contestant proceeds throug must be able to Devising a Plan…

A: This is a single entrance to a Maze There are 2 rooms A B Drawing a tree diagram for the…

Q: Consider a cohort of patients receiving an experimental two-year treatment for a serious disease.…

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Q: in how many ways can 5 starting positions on a basketball team be filled with 12 men who can play…

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Q: Three molecules of type A, three of type B, three of type C, and three of type D are to be linked…

A: Introduction: It is required to find the number of chain molecules that can be formed, and the…

Q: Problem3: Let X and Y have the joint pdf f(x, y) = 6(1 - x - y), x + y< 1,0 < x, 0 <y, zero…

A:

Q: The mean of X is

A: It is given that  P( win ) = 65% = 0.65 Sample size, n = 20

Q: A department store receives an average of 5 returned items per day. The probability that a returned…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: a) What is the probability that (1) At most 6 of the calls involve a fax message? (ii) Exactly 6 of…

A: It is given that 25% of the incoming calls involving fax messages and consider a sample of 25…

Q: and Sto emical 2→ КС N 02 he lik (II ide. On a quiz show, a contestant stands at the entrance to a…

A: Please find the explanation below. Thank you.

Q: Problem 5 You have three cards. The first card is green on both sides; the second is red on both…

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Q: Let Y ∼ Wei(1, 23) (a) Compute E(Y) and Var(Y) (b) ComputeP(Y >1) I

A: Hello! As you have posted 3 different questions, we are answering the first question. In case you…

Q: Consider the sample space of all five-digit numbers. [Note: the first digit of an n-digit number is…

A: Digits ={0, 1,2,3,4,...9} = 10 digits 5 digit number ( first digit is non zero)  Without 0 = {…

Q: If one card is drawn from an ordinary deck of cards, find the probability of getting the following.…

A:

Q: C. Hail Mary Shot - A Hail Mary shot is a shot thrown from a place far away from the basket. Since…

A: From the given information, Based on Piel's records, 2 out of 500 hail Mary shots made by all…

Q: (d) x² = 21.20, df = 4 P-value= State the conclusion. O Reject Ho O Fail to reject Ho (e) x² = 5.80,…

A: The given information is, Level of significance = 0.01   We know that, Reject Ho  if p-value &lt;…

Q: 5) Consider a city with the following populations and travel times: Population Travel Time…

A: Travel Time       A B C A 15 30 60 B 30 20 45 C 60 45 30   Neighborhood workers jobs…

Q: Two bolts are drawn from a box containing 6 good and 4 bad bolts. Find the probability that the…

A: Answer: From the given data, Two bolts are drawn from a box. There are 6 good and 4 bad bolts.

Q: Consider two events A and B. The probability for event A is P(A) = 0.52. Suppose P(B|A) = 0.65 an…

A:

Q: An urn contains 8 white balls and 2 red balls. A second urn contains 3 white balls and 8 red balls.…

A: Given that, An urn contains 8 white balls and 2 red balls. A second urn contains 3 white balls and 8…

Q: 2. A department store receives an average of 5 returned items per day. The probability that a…

A: A discrete random variable X is said to follow Poisson distribution with parameter , if its…

Q: 2. Consider an experiment of rolling five dice. (a) [1 What is the probability that the five dice…

A: Since there are multiple questions, question 2 is answered in detail. Kindly repost for more help.

Q: Twenty percent of all telephones of a certain type are submitted for service while under warranty.…

A: given data  P(repair) = 0.70 P(replace) = 0.30 purchase n = 10 mobiles P(exactly4 will replaced) = ?…

Q: In a lottery, the top cash prize was $616 million, going to three lucky winners. Players pick four…

A: Introduction: It is required to find the probability of winning the minimum award worth $450.

Q: 4. A furniture shop sells an average of one unit of dining table per day. a. b. Find the probability…

A: Given that the average number of dining table sold per day is one unit. i..e, λ=1 Let the random…

Q: what about the probably of  getting 2 soft balls without replacement

A: Given Soft balls means ( 0 hard balls)  From table  Soft balls = 5  Total balls = 5+8+7+4 = 24 balls…

Q: Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal…

A: Given: 32.1, 30.5, 31.8, 30.4, 31.0, 31.9 The hypothesized value of population mean is 30…

Q: lution is incorrect since the  confidence level is 90% margin of error is 3%

A: Given: Confidence level = 0.90 Margin of error (E) = 0.03 Assumed sample proportion  p^     = 0.50

Q: An opinion poll was conducted among a group of registered voters in a certain state concerning a…

A:

Q: For the given probability X 0 1 2 3 P(x) 0.23 0.17 0.25 0.20 Find, The probability P(X<3)?…

A: For the given probability distribution: x 0 1 2 3 4 P(x) 0.23 0.17 0.25 0.20 0.15

Q: Let P(A) = 20 and P(B) = .04. Also events A and B are independent. Find a. P(A/B) b. P(BAS) C.…

A: It is given that the events A and B are independent such as  P(A) = 0.20 P(B) = 0.64

Q: Given a variable that has a t distribution with the specified degrees of freedom, what percentage of…

A: we have to find given probabilities using Excel codes because t table does not give us accurate…

Q: Since the criteria for constructing a confidence interval for the population proportion p have been…

A: The given confidence level is 95%.