If the probability that an applicant for a driver's licence will pass the road test on any given trial is 0.8, what is the probability that he will finally pass the test (a) on the fourth trial and (b) in fewer than 4 trials?

Q: Suppose that the probability of parents having a child with blond hair is 1/4. If there are 6…

A:

Q: The probability that Mr. Johnson goes for an evening walk on any given day during the summer is…

A: The probability that Mr. Johnson goes for an evening walk on any given day during the summer is…

Q: The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to…

A: Given,n=15p=0.4Let X=no.of patients survives from the blood diseaseX~Binomial (n=15 ,…

Q: There's a rare disease that occurs in 1% of the population. There's a test that yields positive…

A: From the given information, Consider, D be the event that shows the population having rare disease.…

Q: It has been found that one out of every ten people who visit a retail website make a purchase worth…

A: Given : It has been found that 1 out of every 10 people who visit a retail website make a purchase…

Q: The probability that a person with certain symptoms has hepatitis is .008. The medical diagnostic…

A:

Q: The probability of a student who wants to become a pilot to pass the written exam for private pilot…

A: We have to find given probability.

Q: a car rental company has determined that probability a car will need a service work in any given…

A: The probability that more than 400 cars will require service = P[X>400] = 1

Q: Imagine that the probability that a random person will receive a phone call during this exam is…

A: Let A be the event that a person will receive a phone call during the exam, its probability is given…

Q: The traffic data of New York City on New Year's Eve shows that the probability of a person having a…

A:

Q: The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to…

A: Given,       Sample size n=15          P=1-0.4=0.6      X~Binomial n=15, P=0.6      PX=x=nCx…

Q: The probability that a randomly selected 40-year-old female will live to be 41 years old is 0.988…

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Q: The probability that a newly matriculated student will not get to the second year of their studies…

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Q: In a certain region of the country it is known from past experience that the probability of…

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Q: If the probability of surviving a​ head-on car accident at 55 mph is 0.052​, then what is the…

A: Topic = Probability

Q: disease occurs in 1% of the population. A diagnostic test gives a positive result in: 99% of people…

A: Find P(disease/ positive) = ?

Q: 2 The probability of Inspector #1 on a production line finding a defective item is 0.8 and of…

A: Let, A = eventof defective item on a production line E1 = Inspector #1 E2 = Inspector #2 Then, we…

Q: Suppose that 42% of people are on low calorie diet. If you pick three people at random, what is the…

A:

Q: Assuming that these two are Independent, what is the probability of thunderstorms on both Memorial…

A: Concept: If the probability of occurrence of one event is not affected by the probability of…

Q: If 70% of a population is vaccinated, and the hospitalization rate is 5 times higher for an…

A: Dear student, If you find this solution helpful please upvote ? it.

Q: t has been found that one out of every ten people who visit a retail website make a purchase worth…

A: Given : It has been found that one out of every ten people who visit a retail website make a…

Q: Out of a sample of 10,000 men, the probability that a man picked at random weighs over 190 pounds is…

A: GivenThe probability that a man picked at random weighs over 190 pounds = 0.25The probability that a…

Q: If the probability of seeing a ship from the beach in 1 hour is 0.35, what is the probability of…

A: Given that ,The probability of seeing a ship from a beach in hour is 0.35 .

Q: The probability of passing the bar exam in a certain state is 2/3. If 10 people passed the test at a…

A: It is given that probability of passing the bar exam in a certain state is 2/3. Therefore, the…

Q: The probability of a snowstorm on Thanksgiving is 0.40 and the probability of a snowstorm on…

A: Independent Events:Two events are said to be independent if occurrence of one event does not affect…

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A: Probability is the likelihood of all the observation occurred in the sample. Conditional event…

Q: The probability that a randomly selected 40- year old female will live to be 41 - year old is 0.988…

A: Condition for Independence:   If A and B are independent events, then P(A and B)=P(A)*P(B).   From…

Q: Suppose that on five consecutive days an "instant winner" lottery ticket is purchased and the…

A: Define the Random Variable, X : Number of days purchased a winning ticket in 5 days X ~…

Q: A random sample of 450 adults is taken from a population of 15000. It is believed that 82% of the…

A: It is given that 82% of the population owns a cell phone. Therefore, the population proportion is…

Q: weather forecaster knows from historical data that the daily probability of rain is 0.3 during…

A: Given that ; In April month (n) = 30 days  Dry days = 20 days  P = 0.3  By using the binomial…

Q: Suppose that the probability that a person books an airline ticket using an online travel website is…

A: