if the probabilily is 0.40 that a child exposed to a certain contagious disease will catch it, what is the probability that the tenth child exposed to the disease will be third to catch it?

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: In this question we will be using Poisson distribution.  It is given that the restaurant can expect…

Q: on an uninfected person. What is the probability that a randomly tested person from this area will…

A: given that

Q: If the probability that an individual moves outside of their county of residence in a given year is…

A: Given information- We have given a problem of binomial distribution. We have given that the…

Q: Two regular 6-sided dice are tossed, one at a time. Compute the probability that the pips on both…

A: For each die, there are 6 possible outcomes.  So for 2 six-sided dice, there are 62=36 outcomes.…

Q: If one of these 210 individuals is selected at random, what is the probability that the person is a…

A: Here use Bayes Rule

Q: The Denver Post stated that 80% of all new products introduced in grocery stores are taken off the…

A:

Q: On the average, 10 people per hour use an express teller machine situated inside a commercial…

A:

Q: If the average number of visitors to a bank is six people per minute, then the probability of two…

A:

Q: If birthdays are equally likely to fall on any day, what is the probability that a person chosen at…

A:

Q: In a certain​ country, the true probability of a baby being a boy is 0.45. Among the next seven…

A:

Q: What is the probability that in every two hours the nurses cannot accommodate the arriving patients?

A: As PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION

Q: The whole batch of calculators is rejected either if the first two chosen are both faulty if a third…

A: From the given information, the probability that it is faulty (F) is 1/20. The probability that it…

Q: A couple decides to continue to have children until they have two males. Assuming that P(male)=0.4,…

A:

Q: If new cases of West Nile in New England are occurring at a rate of about 2 per month, then what’s…

A: n = 6x = 4p(x)=nxpxqn-xp = 4/6 = 2/3q = 1 - p = 1 - 2/3 = 1/3p(x)=nxpxqn-x…

Q: The probability that an UofM student is from the Greater Toronto Area is only .25. What is the…

A:

Q: What is the probability that exactly two of these are larger than one ?

A:

Q: A gambler states that the probability of getting a "1" and a "2" when rolling two four-sided dice is…

A: here two 4 sided dice are rolled

Q: Suppose we toss a biased coin for which a heads is twice as likely as a tails. If the coin is tossed…

A: Let us assume the probability of getting a tail=x So the probability of getting a head=2x Total…

Q: It is known from the past experience that in a certain plant, there are on an average 4 industrial…

A: Given info: Here, λ = 4.

Q: What is the probability that thanksgiving falls on a thursday?

A: Thanksgiving day:It is known that Thanksgiving is always celebrated on fourth Thursday of November…

Q: If 20 percent of the mice used in an experiment will become very aggressive after having been…

A: 3.  Given Information :  If 40 percent of the mice used in an experiment will become very aggressive…

Q: If the chance of rain on Sunday increases to 50% if it rains on Saturd. suppose you were away on…

A: *Answer: Solution: P(Sunday)=P(Saturday)+50%---------------------------1 Let Probability that it…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Let, P(growing)=60% = 0.60 P( not growing)=1-0.60 = 0.40 n = 11 The probability that exactly 4 don't…

Q: (a) Suppose a mechanic begins to diagnose the problem by checking the spark plugs first and find…

A:

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.016 , what is…

A: Given that, The probability that a vaccine you took will protect you from getting the flu is 0.016.…

Q: If a person is randomly chosen from the town's population, what is the probability that the person…

A: The data is given by Age Full-time  Part-time Unemployed Total 0-17 24 164 371 559 18-25 185…

Q: If there is a 1 in 700 chance that you will pick the number correctly in tonight's lottery, what is…

A: Given that the probability of picking a number correctly is 1/700 We know that total probability is…

Q: if the probability that a bowler will bowl a strike is 0.7, what is the probability that he will get…

A: Binomial distribution: A binomial distribution is used to calculated the probability of a success or…

Q: If a seed is planted, it has a 70 %chance of growing into a healthy plant. If 10 seeds are planted,…

A: Given data, p=0.70 (grows healthy plant) If n=10 then P(X=1) doesnot grow=?

Q: If you roll a fair 6-sided die 9 times, what is the probability that at least 2 of the rolls come up…

A: Given: A fair 6 sided dice which is rolled 9 times. Probability=Number of favourable outcomesTotal…

Q: What is the probability that a computer bug appears at most two times in a day?

A:

Q: A meteorologist found from the past year’s records that it rained 17% of the days. Based on this…

A: Let X= number of days rained  Number of observation= 15  probability of X= p = 0.17  So, X follows a…

Q: In a certain country, there is a bank failure once every 2 years, on average. What is the…

A: The number of failures is once every 2 years. Probability of failure per year is p=12. The number of…

Q: Suppose on a given day, there is a 23% chance Emily will forget her wallet when going to work. What…

A: Introduction: Denote X as the random variable of interest here, which is the number of days that the…

Q: Suppose there is a disease, whose average incidence is 1 per million people. What is the probability…

A: Given Suppose there is a disease, whose average incidence is 1 per million people.

Q: If you get a positive identification from a caller on this test, what is the probability that he…

A:

Q: The local weather forecaster predicts that there is a 12% chance of rain on each day next week.…

A:

Q: If there is a 10% chance it will rain each day for the next week, what is the probability that it…

A:

Q: that the event will fa

A: We know that the, if probability of occurrence of an event is m/n then odd against the event, is…

Q: If a seed is planted, it has a 65% chance of growing into a healthy plant. If 10 seeds are planted,…

A: Given: P( chance a seed grows into a healthy plant) = 0.65 n = 10

Q: If the probability is .51 that a candidate wins the election, what is the probablilty that he loses?

A: Farmula used P(E)+P(Ec)=1  Ec is the complement of E

Q: According to a life insurance​ company's mortality​ table, the probability that a woman of a certain…

A: The given data: Probability that a woman will survive= 0.993 Probability that the woman will die =…

Q: A fair six sided die is rolled six times. What is the probability that the die will show either a 1…

A: fair dice has 6 faces with equal probability of each face to shown when tossed.

Q: What is the probability that the first one selected is defective? What is the probability that the…

A: Let us define some events A : first one is defective B : second one is defective. Given that Number…

Q: If a seed is planted, it has a 70% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Obtain the probability that exactly 1 doesn't grow.   The probability that exactly 1 doesn't grow is…

Q: Suppose that about 55% of the people who are murdered actually knew the murderer. Suppose that a…

A: It is given that, the proportion of people who are murdered actually knew the murdered (p) is 0.55…

Q: what is the probability of the sun will rise in west is ?

A:

Q: If an individual is selected at random, what is the probability that he or she has a birthday in…

A: Since we know that Number of days in July = 31 days And a yeas has 365 days

Q: It is estimated that 3.6% of the general population will live past their 90th birthday.  In a…

A: Continuity correction factor table: If   P(X=n) use   P(n – 0.5 < X < n + 0.5)If   P(X > n)…