The probability that a patient recovers from a stomach disease is 0.8. Suppose 20 people are known to have contracted this disease. What is the probability that at least 14 but not more than 18 recover? a)  at least 14 but not more than 18 recover? b) at most 16 recover?

Q: The probability of drawing three non-face cards in a row from a standard deck of cards when the…

A: In a deck of cards, there are 52 cards. There are 12 face cards among those 52 cards.  So (52-12)=40…

Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: Given that n =15 , P =0.45 Using binomial distribution Find P ( x <3 ) =?

Q: The probability that randomly selected American adult middle class 0.51 Suppone two American is the…

A:

Q: In the game"Red light, Green light", the probability that a player will win the game is 0.345. If…

A: Given : Proportion of player who will win the game in the "Red light , Green light" game (p) = 0.345…

Q: 2. The probability that a patient needs an ICU is 0.05. How many ICU's should be available so that…

A: Solution

Q: If three coins are tossed simultaneously, the probability of getting at least one head is

A: Given that three coins are tossed simultaneously. we have to find PROBABILITY of getting at least…

Q: Airline flights from Boston to Atlanta are on time 50 % of the time. Suppose 6 flights are randomly…

A: Solution: Let X be the number of flights are on time and n be the number of airline flights from…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A:

Q: Two dice are rolled. Find the probability that first die lands on an even number and the second die…

A: The sample space of all the 36 possible outcomes for the two dice is shown below:

Q: The probability that a movie is good if it is by director A is 0.4. What is the probability that…

A:

Q: American Airlines' flights from Denver to Atlanta are on time 90 % of the time. Suppose 12 flights…

A: Given that  n=12 , p=90%=0.90 , q=1-p=1-0.90=0.10 X~Binomial(n=12,p=0.90) X=Number of flights on…

Q: Suppose that 22% of people have a dog, 15% of people have a cat, and 2% of people own both. What is…

A: Given that, 22% of people have a dog15% of people have a cat2% of people own both

Q: Find the probability that a randomly selected student was male given that the student earned a

A:

Q: b. The probability that exactly four cars arrive in any given hour

A: Given information Average number of automobiles arrive at a toolbooth λ = 4 cars per hour

Q: The probability that a person will make zero, one, two, or three errors on his or her test is 0.50,…

A:

Q: Suppose that an incubator contains 200 eggs. The probability that a hatching egg will contain a…

A: Given : X = Number of female chick hatch. n = 200 p = 0.5 q=1-p=0.5 X~Binomial(n=200,p=0.5) Here,…

Q: A committee of 4 people is to be randomly selected from a group of 9 people, including Pedro.  The…

A: It is given that, There is a group of 9 people including Pedro.  We have to form a committee of 4…

Q: the probability an airplane arrives on time 80% of the time.Out of ten flights, what is the…

A: Given that  Probability an airplane arrives on time is 80%   P =0.80 (1-P) = 1-0.80 = 0.20 Sample…

Q: A group of people were asked if Marilyn Monroe had an affair with JFK. 316 responded "yes", and 366…

A:

Q: Five cards are drawn without replacement from a deck of cards containing four spades and five clubs.…

A: Given: The total number of spades are 4. The total number of clubs are 5. The total number of cards…

Q: Three dice were rolled. Find the probability of getting a number less than 10 if it is known that…

A: Given, Three dice are rolled. Sample space: n(s)=63=6×6×6=216 Thus, the sample space of three dice…

Q: The probability that an evening college student will graduate is 0.4. Determine the probability that…

A:

Q: The average number of field mice per acre in a 6-acre wheat field is estimated to be 13. a. Find…

A: Given that The average number of field mice per acre in a 6-acre wheat field is estimated to be 13.…

Q: The Wilson family had 8 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Given, A family had 8 children and probability of child being a girl is 0.5.

Q: Assume that the probability that any child born in the population will be a boy is 0.51 and the…

A: It is given that  P( boy ) = 0.51 P( girl ) = 0.49

Q: The probability that a child will like a new flavor of ice cream is 0.72. In a group of nine…

A: