According to a research agency, in 41% of maniages the woman has a bachelor's degree and the marriage lasts at least 20 years. Accordng to a census report, 43% of women have a bachelor's degree. What is the probability a randomly selected mariage wil last at least 20 yoars it the woman has a bachelor's degre? Note 50% of all mariages last at least 20 years The probability that a randomly selected mariage will last at least 20 years it the woman has a bachelor's degree is (Round to three decimal places as needed.)

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: At an inspection line, several motors are inspected. It is known that defects between motors are not…

A: Solution-: Given : λ=5 We find, (a) P[the first defective motor is the fifth motor that you…

Q: Suppose the average number of zebra seen on a 2-day safari is 5. What is the probability that…

A: Given that the average number of zebra seen on a 2-day safari is 5. So, the average number of zebra…

Q: ABC Interactive survey stated that 25% of employees said that their company is loyal to them. Ten…

A:

Q: Suppose a basketball player makes 56.1% of shots and that the probabilty of making each shot is…

A:

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: According to FBI data 12% are cleared. What is the probability that the detective clears five…

A: Binomial distribution : A Binomial is a type of distribution which has two possible outcomes. i.e.,…

Q: If administrators are selected randomly from the​ faculty, what is the approximate probability that…

A: Given that, No. of teachers = 2000 P(men) = p = 50% = 0.50 P(women) = q = 50% = 0.50 No. of…

Q: Suppose that 75% of people in a certain metropolitan area live in the city and 25% of the people…

A:

Q: If the probability That a randomly selected murder resulted from a rifle or shotgun is 0.061 then if…

A: From the provided information,The probability that a randomly selected murder resulted from a rifle…

Q: A die is rolled three times. What is the chance that at least one roll shows 2 or more spots?

A:

Q: Suppose the first generation Apple iPad has 5% chance of being defective. What is the probability…

A: From the provided information, Apple iPad has 5% chance of being defective that is p = 0.05 Sample…

Q: If 10% of the population has a certain characteristic, what is the probability that in a random…

A: n = 10, p = 10% = 0.10, q = 1 - p = 1 - 0.10 = 0.90X ~ Bino(n = 10, p = 0.10)Let X be the number of…

Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

Q: What is the probability of getting at least one 6 on three rolls of a die?

A: It is an important part of statistics. It is widely used.

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

Q: It was reported that 29% of car crash deaths in Maine were alcohol-related.…

A: Obtain the probability that at most 14 were alcohol-related.   The probability that at most 14 were…

Q: If the probability of being left handed is 0.23 and the probability of being right handed is 0.77…

A: Let X be the number left handed let p be the probability of being left handed  q be the probability…

Q: Suppose on a given day, there is a 43% chance Emily will forget her wallet when going to work. What…

A: Let x follows binomial distribution with parameters n = 10 and p = 0.43   The pdf of binomial…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: In a poll conducted by the general social survey, 70% of respondents said that their jobs were…

A: Probability of respondents said that their jobs were sometimes or always stressful(p)= 0.70sample…

Q: Suppose 24 % citizens of a country want to join army.Based on a random sample of six citizens, what…

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Q: Suppose three fair coins are tossed and the number of heads that appear is recorded.  What is the…

A: Suppose three fair coins are tossed and the number of heads that appear is recorded.  What is the…

Q: What is the probability of getting 6 or more girls in 8 births

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Q: What is the probability there are at least 5 cars in the drive-thru?

A:

Q: According to a study conducted by a statistical organization the proportion of Americans were…

A: The conditions for normal approximation to the binomial distribution are given below:   np≥5…

Q: According to a study 20% of corporate officers are women. Suppose that you select a random sample of…

A: Z-score for proportion:

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: probability that at least 13 of them need correction for their eyesight. Is 13 a significantly…

A: A survey showed that 76​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for…