The amount of time a customer browses until he/she actually purchases something is exponentially distributed with ? = 0.05 Determine the probability a customer will spend less than 15 minutes browsing before purchasing something.

Q: Suppose we are interested in investigating the lifespan of a Texas Instrument calculator and we…

A: X~exp(1λ)

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A: P(A∩C)=0.15, P(A∩B∩C)=0.02

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Q: O 0.25 O something else 0.125 0.5 .2, and P(An B) = .25. Calculate P(BIA).

A: We are going to find the value of P(B|A) by the use of the following formula

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A: ItemAnnual volume Average Profit per itemGreeting card 38700.40T shirts 15501.25Mens jewellery…

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A: We have given thatP(A) = 0.4P(B) = 0.7We have to show that0.1 ≤ P(AB) ≤ 0.4

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A: We have given the following pdf

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Q: An urn contains seven red marbles and six green marbles. Four marbles are selected (all at once).…

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A: Box contains either ( coin or dollar ) Chances are 50/50 Another coin added in box , Now, one coin…

Q: Could you explain the probabiliy of getting exactly one complete pair? (not at least one complete…

A:

Q: Components of a certain type are shipped to a supplier in batches of ten. Suppose that 49% of all…

A: P(B0) = 0.49P(B1) = 0.31P(B2) = 0.20

Q: Suppose the probability of a student being infected with COVID-19 is 10%. An at-home covid test will…

A: Given that

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A: It is given that the teansistors represented as White = 6Yellow = 7Black = 6

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A: The given data is defined below as follows: From the information, given that

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Q: the other game. The MIT team will receive 2 points for a win, 1 for a tie. and 0 for a loss. Find…

A:

Q: (a) An experiment involves 30 participants. From these, a group of 4 participants is to be tested…

A: It is given that The combination formula is C(n, r) = n = n!/(n-r)!r!

Q: A continuous random variable X has the p.d.f. e-1x1 for-∞o < x < 00 2 Derive the c.d.f f(x) =

A:

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A: From the given informationlet W be the event that woman was selectedand W' be the event that man was…

Q: According to the Pew Internet & American Life Project, 54% of Internet users have a wireless…

A: Given that,

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A: Given that E and F are two events with positive probabilities.And Using formulas,

Q: Use ordinary induction to prove that $C(n)=2^n+3$ is a solution to the recurrence $C(0)=4$ and…

A: is a solution to the recurrence, and, for all

Q: 33 A small river is found to be polluted due to the chemical waste from two major industries, A and…

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A: Binomial distribution :The binomial distribution is the discrete probability distribution that gives…

Q: For a continuous probability distribution, 0 ≤ x ≤ 15. What is P(x > 17)? O 0.5 00 02 01

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Q: a. What is the z-score for a blood pressure reading of 140? z = 1.19 (Round to two decimal places as…

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Q: order to estimate the average electric usage per month, a sample of 36 houses was selected and the…

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A: From the information ,The Poisson rate for total customer arrivals is the sum of individual Poisson…

Q: A basket contains 2 white, 2 yellow, and 2 black transistors. If a transistor is randomly picked,…

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Q: Use The t Distribution Table to find the t/α2 value for a 90% confidence interval for the mean when…

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Q: A manufacturer knows that on average 10% of toasters produced require repairs within 1 year after…

A: Sample size=n=18P=0.10q=0.90Mean=1.8Standard deviation=1.27

Q: A survey of 2.350 adults reported that 54% watch news videos Complete parts (a) through (c) below B.…

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Q: In one district of the city, 50% of heads of families are owners, 75% own a car and 30% own and own…

A: Given that,In one district of the city, 50% of heads of families are owners, 75% own a car and 30%…

Q: 6. A bus company has 2 shifts. Each bus has 50 seats. If the probability that a passenger does not…

A:

Q: A coin is launched 4 times successively. What is the probability that leave "face in the first 2…

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Q: The numbers 1, 2, . ..., n are arranged randomly in a sequence. Find the probability that the digits…

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A: CarAge (Years)Selling Price…

Q: Exercise 6 Suppose randurly select 100 people from Texas and 100 people for Rhode alslund. We…

A:

Q: At a factory that produces pistons for cars, Machine 1 produced 486 satisfactory pistons and 414…

A: Machine 1: 486(satisfactory)+414(unsatisfactory)=900Machine 2:…

Q: A student answers a multiple-choice examination question that offers four possible answers. Suppose…

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A: It is required to find the price in dollars per gallon.

Q: Construct a graph for each of the following binomial distributions. a. n = 4 and p = 0.50. b. n = 4…

A: Please note that as per our guidelines if multiple sub-parts are there in a question we can answer…