An insurance salesman sells policies to 5 men, all of identical age. According to the actuarial tables, the probability that a man of this particular age will be alive 30 years hence is 2/3. Find the probability that in 30 years                                      a) all 5 men         b) at least 3 men      c) only 2 men          d) at least 1 man will be alive

Q: he estimated probability that a Brand A, a Brand B, and a Brand C plasma TV will last at least…

A: P(last atleast 30,000 hr | Brand A) = 0.75 P(last atleast 30000 hr | brand B) = 0.70 P(last atleast…

Q: Based on a​ poll, 60​%of adults believe in reincarnation. Assume that 4 adults are randomly​…

A: Let us consider believing in reincarnation as success. Then, p=p(Success)=0.6. Let X be the number…

Q: Assume 42​% of us have Group O blood. A hospital is conducting a blood drive because its supply of…

A: Introduction: Denote p as the true proportion of people with Group O blood. It is given that p =…

Q: The probability that it came from subcontractor B, is

A: Here use Bayes rule

Q: Suppose that a small company purchases 250 of these 75-watt LEDs with a guarantee that 96% of them…

A: It is given that n = 250 and p = 0.96.

Q: The estimated probability that a Brand A, a Brand B, and a Brand C plasma TV will last at least…

A: Solution is in step 2

Q: Based on past records, a retail store ma knows that on average, 30 customers per hour come to the…

A: Given30 customers per hourNo.of customers for 5min = λ=3012=2.5x~Poisson(λ=2.5)P(X=x)=e-λ*λxx! ;…

Q: Find the probability that a single toss of a balanced die results in a number less than 4 if, (a)…

A:

Q: a. What is the probability they are all completed of PLAI three s = RI) PESP(S) . What is the…

A: Let , X be the number of jobs completed on time Here , X→B(n=3 , p=0.92) The probability mass…

Q: In a bag there are 9 gumballs, 15 chocolates, and 30 sour candies. Express the probability that the…

A: Given Data: The number of gumballs in the bag is: g=9 The number of chocolates in the bag is: c=15…

Q: In a certain instant lottery game the chances of a win are stated as ​"3 in 23​." Express the…

A: Given that, in a certain instant game the chances of a win are stated as "3 in 23". That is, x=3 and…

Q: Assume that 25.6​% of people have sleepwalked. Assume that in a random sample of 1483 ​adults, 423…

A: Given, a) Population proportion = p = 0.256 sample size = n = 1483 sample proportion =

Q: The probability that a person stopping at a gas station will ask to have his tires checked is 0.12,…

A: Given data isThe probability that a person stopping at a gas station will ask to have his tires…

Q: In a large population, 62 % of the people have been vaccinated. If 4 people are randomly selected,…

A: It is given that p=0.62 and n=4.

Q: Consider randomly sclecting a student at a cortain university, and suppose that the probability they…

A:

Q: Based on Babich (1992). Suppose that each week eachof 300 families buys a gallon of orange juice…

A:

Q: At a certain pizza parlor, 65% of the customers order a pizza containing onions, 61% Of the…

A:

Q: Given the probability that "she's up all night 'til the sun" is 0.26, the probability that "she's up…

A: Addition rule: Obtain the probability that "she's up all night 'til the sun" OR "she's up all night…

Q: a tetrahedron is thrown successively, calculate the probability that the third two is obtained in…

A: A tetrahedron has 4 faces. Each face is equally likely to occur with the probability = 14 So,…

Q: Use Chebyshev’s theorem and Theorem 3 to verifythat the probability is at least 3536 that (a) in 900…

A: Let X be the number of heads that you get. This follows a binomial distribution of parameters (n,p),…

Q: if all other factors are held constant which of the following results in an instead in the…

A:

Q: 20 Assuming the probability of a male birth as , find the probability 2' that a family of 3 children…

A:

Q: The probability of someone getting covid positive is 0.6, the probability of someone dying suddenly…

A:

Q: Assume that you have 5 red balls and 10 blue balls from which randomly to select two without…

A:

Q: The probability that merchandise stolen from a store will be recovered is 15%. Suppose a random…

A: Let X= number of merchandise stolen from a store and that will be recovered Given that the…

Q: Find the probability that one person selected at random from these 300 persons is a faculty member…

A:

Q: The records of commercial flights showed that the probability of an aircraft leaving on time is…

A: We have given P( plane departs ) = 0.85P( plane arrive ) = 0.75P( plane departs and arrive ) = 0.6

Q: In a delivery of microchips, it is known that the number of defective is 2 out of 10. a. If 15…

A: Let X be the random variable representing the number of defective microchips. And the success is…

Q: A spinner is divided into five colored sections that are not of equal size: red, blue, green,…

A:

Q: Find the probability that two red balls (R) are drawn, assuming that every drawn each ball pe…

A: here given bag contain 8 red ball and 4 yellow ball total 12 ball in bag  now here two balls are…

Q: the probability that a woman show marIce d improvoment? what is treatment 1 in Will

A: The number of woman in treatment 1 will show marked improvement is 596.

Q: In a survey in a certain year of married couples with earnings, 94% of all husbands were employed.…

A: Solution: Let A be the event that husbands are employed and B be the event that wives are employed.…

Q: Assume that 29.8% of people have sleepwalked. Assume that in a random sample of 1492 ​adults, 487…

A:

Q: The probability that Hamed may get grade A in Maths 102 is 0.8, and Shaker may get grade A in Maths…

A: The probability of Ham scoring grade A is= 0.8 So the probability that Ham NOT-scoring grade A is=…

Q: What is the probability th 5 up to 9 seconds to arriv alls arrive between the 2

A: let λ= 25 be the average number of balls entering the room every minute Xt~Pλ=25 Ti be the…

Q: Use the given spinner to answer the question. Each green sector occupies 10​% of the​ circle, each…

A: P(green sector occupies=0.10P( blue sector occupies)=0.10P(red sector occupies)=0.11P(yellow sector…

Q: at in five tosses of a fair die, a 3 will appear at least

A: a) Given: n = 5 The sample space of a die is 1,2, 3, 4, 5, 6 i.e. there are 6 total outcomes.    p =…

Q: Suppose that on the leeward side of the island of Oahu, in the small village of Nanakuli, about 50%…

A: Y: number of people you must meet until you encounter the first person of Hawaiian ancestry Y denote…

Q: A six sided die is loaded such that a 3 és tuice as likely to as each of the ether fve five numbers…

A: Givenwhen a die is rolled 3 is twice as likely to appear as other numbersProbability that 3 occur…

Q: An agriculturist wants to find out the probability of growing trees more than 50 years. Given that u…

A: It is given that the mean is 30 and the standard deviation is 20.

Q: If two 12-sided dice (one is red and one is blue) are rolled, find the probability that a 3 on the…

A: Experiment: Two 12 sided dices are rolled. sample space for red die= { 1,2,3,4,5,6,7,8,9,10,11,12 }…

Q: During the 2015-2016 NBA season, Jodie Meeks of the Detroit Pistons had a free throw shooting…

A: Given that  The probability of Jodie Meeks makes any given free throw is fixed at 0.906 P(F) = 0.906…

Q: (a) The probability that fewer than 7 field mice are found on a given acre is (Round to four decimal…

A: It is given that the mean is 12.

Q: In a large group of Americans, the probability of visiting a doctor's office in the past 12 months…

A:

Q: Suppose that 30% of people have a dog, 17% of people have a cat, and 10% of people own both. What is…

A:

Q: Suppose there are three such machines independently running at once. After one run each, what is the…

A:

Q: An insurance company found that 2.5​% of male drivers between the ages of 18 and 25 are involved in…

A: Given: Male driver = 2.5% = 0.025 The Company writes 1000 policies to a collection of drivers. Every…

Q: The averag in a companys annual reports is o.4. If is selected at random: number f misprinis per pae…

A: Let, X=the number of misprints per page X follows a Poisson distribution with mean= 0.4

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.