Eight students will give reports on novels, 9 will report on biographies, and 7 will report on history books. What is the probability that the first report will be a novel? А. 3/8 В. 1/3 C. 8/17 D. 1/2

Q: Juan has a fair six-sided die, if Juan rolls the die twice in a row, what is the probability that…

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Q: A drag racer has two parachutes, a main and a backup, that are designed to bring the vehicle to a…

A:

Q: 10.) A 2014 survey suggests that 71% of U.S. teenagers use Facebook, 33% use Twitter, and  15% do…

A: Solution: Let A be the event that the U,S teenagers use Facebook B be the event that U.S teenagers…

Q: on a tropical day at the beach in southern California, a beachgoer will encounter 12 different…

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Q: Nine percent of the population has blood type B. If we choose 18 people at random, what is the…

A: Given,n=18p=0.09q=1-0.09=0.91Let X= no.of people have blood type B in a sample of 18…

Q: 5. Each year a newborn kitty has a 35% chance of surviving. Suppose in Angeles there are 200…

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Q: If a hockey team loses 33% of the games they play, what is the probability that this team will win…

A: In an experiment, the probability of an event is the likelihood of that event occurring. Probability…

Q: In a recent semester at a local university, 500 students enrolled in both statistics 1 and…

A: According to the provided information, out of 500 students 82 got A in statistics, 73 got A in…

Q: A patient taking an antiviral medication recovers from a respiratory disease with 35% probability.…

A: The probability is p=0.35 and the value of n is 18. Therefore m=np=0.35×18=6.3 Therefore the…

Q: In a group of 15 people 5 can speak german. If 3 people are selected at random to be sent on a…

A: Total number of persons = 15 Number of persons who speak German = 5 Sample size = 3

Q: new drug cures 65% of the patients who take it. If it is given to 14 patients, what is the…

A: We have to find out answer of given question....

Q: A fair coin is tossed 25 times. What is the probability that there will be at least 20 heads?

A: Let, X= number of heads  probability of getting a head (success)= p =1/2 =0.5 Probability of…

Q: 2 of 6 people are exposed to a safety hazard in a minivan. All of them are from different states.…

A: We have given, 6 people from different cities. Out of them 2 people exposed to a safety hazard in…

Q: ent and their respective skill leve 40 years old. Two of the men are older than 40 years old. What…

A: The contingency table is given as under   Less than 40 More than 40 Total Female 3 3 6 Male 2…

Q: Q: If 5% of the people are carriers of a certain disease and 10% of them are young, what is the…

A: Given: % of people that are carriers = 5% % of people that are young = 10%

Q: A chorus consisted of b boys and g girls. After auditions, the director of the chorus added 2 more…

A: The chances of occurrence of an event is called probability. The probability of an event is computed…

Q: Contractors know that on average 5% of all nails come defective from the factory. Assuming an…

A: We have to find out given probabiity...

Q: at a meeting of 10 executives 7 women and 3 men 2 people will be selected to sit on a committee what…

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Q: Approximately 30% of obese patients develop diabetes. If a physician sees 10 patients who are obese,…

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Q: If an event has a 1/50 chance of occurring, what is the probability that the event will occur three…

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Q: 3. The Philippine Institute of Volcanology and Seismology (PHIVOLCS) records an average of 20…

A: Solution

Q: if a couple have three girls, what is the probability that the fourth child will also be a girl?…

A: If a couple have three girls, probability that the fourth child will also be a girlFourth child will…

Q: About 8% of us population catches the flu each season assuming everyone has equal probability of…

A: Consider that about 8% of the population catches the flu each season. This means that the…

Q: A class of 20 juniors, 30 seniors, and 10 graduate students makes up an advanced physics class.…

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Q: In a family of 3 children, what is the probability that the middle child is a girl?

A: If a family have 3 children, then the possible outcomes…

Q: If they have one child, what is the probability that it is a boy?

A: If they have one child, then there will be two outcomes Girl, Boy Number of elements in sample space…

Q: On the average, two tornadoes hit major U.S. metropolitan areas every year. What is the probability…

A: 8. Given that the average number of tornadoes hit major U.S metropolitan areas every year is 2. Let…

Q: On the average, two tornadoes hit major U.S. metropolitan areas every year. What is the probability…

A: Poisson random variable is the number of events that occur in a time interval. So poisson…

Q: A contractor plans to acquire new bulldozer for a new project. From experience, there is 50% chance…

A: according to our guidelines we can answer only one question and rest can be reposted.

Q: A toddler is playing with some magnetic letters on the refrigerator. He has the letters l, t, b, a,…

A: From the given information, the letters are l, t, b, a and e.The given 5 letters are arranged in…

Q: A set of traffic lights shows green for 45 seconds, amber for 5 seconds and red for 30 seconds. When…

A: It is given that the set of traffic lights shows green light for 45 seconds, amber light for 5…

Q: A city has two daily newspapers, A and B. A survey of 100 residents of the city shows that 35 people…

A: Given, A survey of 100 residents of the city shows that 35 people subscribe to A, 60 subscribe to B…

Q: If records indicate that 4 houses out of 1000 are expected to be damaged by fire in any year, what…

A: Given that 4 houses out of 1000 are expected to be damaged by fire in any year. Therefore,…

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: At an amusement park basketball game, you earn a large prize for making 3 baskets, a medium prize…

A:

Q: If Bart can make only 40% of free throws in a basketball game, what is the probability that he will…

A: Sample size = 3 Probability = 40% = 0.40

Q: In a game of Jack n Poy, the player that wins 3 times out of 5 games is declared the winner. suppose…

A: Jack n Poy is a game performed by two players. Here, P(winning one time) = 1/2.

Q: a If a family now lives in an urban location, what is the probability that it will live in an urban…

A: Since there are multiple parts first part is answered step by step. Kindly repost for more help.

Q: Suppose a free throw shooter makes 67 percent of their first attempts.  On the second attempt they…

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

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Q: A family has 2 children. Given that one of the children is a boy, what is the probability that the…

A: The probability is a branch of mathematics or statistics which basically deals with the chances of…

Q: 10. The senior class is 55% female, and 32% are females who play a competitive sport. Find the…

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Q: Internet Doctors: Assume that 55% of adults learn about medical symptoms more often from the…

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Q: A photocopying machine produces, on average, 1 defective photocopy out of every 50 pages copied. a)…

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Q: at a highschool with 200 students 32 play soccer 18 play basket ball and 8 play both sports. if a…

A: Let,A=students play soccerB=students play bascket ballP(A)=32200 =0.16P(B)=18200 =0.09P(A∩B)=8200…

Q: A certain airline books 250 passengers for a certain flight that can seat only 212. If past studies…

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Q: If Johnny plays Russian Roulette twice, by spinning a revolver containing one bullet in one of the…

A: Probability of an event is computed by taking the ratio of number of favourable outcomes to total…

Q: If a seed is planted, and it has 75% chance of growing into a healthy plant and if 6 seeds are…

A: Given, p=75%=0.75 (Grow as healthy plant) q=1-p=0.25   If n=6 P(X=3) dont grow =?