An average student is known to have a chance of 50% in answering a TRUE or FALSE question correctly. If there is a 10-item TRUE or FALSE question, what is the probability that an average student will have at least 1 correct answer?

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Given that, Probability(grow) = 85% = 0.85 Probability(don't grow) = 15% = 0.15 Sample size, n = 11

Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: The probability density function of binomial distribution is: Here, p=0.15, n=10.

Q: in a beauty pageant with 10 finalists and with equal chances of being chosen, what is the…

A: All the 10 finalist are equally likely to be chosen as winner, for equally likely outcomes the…

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

Q: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: About 10% of the population of a large country is hopelessly romantic. If two people are randomly…

A: Independence of Events: Two events A and B with P(A), P(B) > 0, are said to be independent if,…

Q: If you are interested in the probability of two successes out of five trials, what is the correct…

A: Given  Let p be the probability p=0.30,  n=5. X~Bin(n=5,p=0.30) P(X=2)=?

Q: According to PSA, the probability of a randomly selected 90-year old Filipino survives for at least…

A: given data  probability that a randomly selected 90 year old filipino survive for atleast another…

Q: In a Gallop Poll, 35% of 30 - 49 states that they believe in ghosts. Find the probability that out…

A: (a) The probability that college students do not believe in ghosts is, P(do not believe in ghosts)…

Q: Although studies continue to show diabetes leads to significant health problems, 20% of adults in…

A: Introduction: Denote X as the number of sampled adults who have diabetes. Assume that the n = 250…

Q: About 8% of the U.S. population catches the flu each season. Assuming everyone has equal probability…

A: Given: About 8% of the U.S. population catches the flu each season.

Q: The results of a recent survey indicate that 71% of people in the United States use more than one…

A:

Q: A recent poll found that 30% of those surveyed are worried about aggressive drivers on the road. If…

A:

Q: In a family with 7 children, excluding multiple births, what is the probability of having exactly 1…

A: It is given that there is equal chances of having a boy and a girl. So the probability of having a…

Q: If the probability of having type AB Blood is 0.520, what is the probability that in a group of four…

A: Given: P( having AB blood) = 0.520 n = 4

Q: Suppose a recent study determined that 29% of Americans favorite ice cream flavor is If a sample of…

A:

Q: If math. Professor receives on average of 5 e-mail messages per day from Students, then the…

A:

Q: In a Business Statistics class, there are 15 girls and 11 boys. On a test 2, 9 girls and 6 boys made…

A: Given: In a business statistics class there are 15 girls and 11 boys on a test 2, 9 girls, and 6…

Q: When purchasing boards from a wood supplier, it has been documented that 44% of the boards that are…

A: Given that  Sample size n =300 Population proportion p=44%=0.44

Q: If a person tests positive, what is the probability that the person actually has the disease?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: On a True/False quiz, what is the probability of guessing 5 out of 10 questions correctly? This is…

A:

Q: If an average of 18 customers are served per hour, what is the probability that the next customer…

A:

Q: A major appliance retailer claims that 18% of its sales are dishwashers. If 112 appliances are sold…

A: Given info: Here, n=112, p=0.18.

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: 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 a randomly selected person from the survey drives a what is the probability that he is a 'male"?

A: Solution

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 recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: If the probability of rain tomorrow is 70%, what is the probability that it will not rain tomorrow?

A:

Q: In a recent​ survey, it was found that the median income of families in country A was ​$58,000. What…

A: In a recent​ survey, it was found that the median income of families in country A was ​$58,000.

Q: In a certain high-risk group, the chances of a person having suffered a heart attack are 55%. If 6…

A: From the given information, probability of success is given by as follows: p=0.55 n=6 x=1…

Q: In a technology company, it is known that the average of network failure is 3 per week. What is the…

A: Let X denote the number of failures per week.  It is given that Average number of failures per week…

Q: If a randomly selected student owns a cell phone, what is the probability that this student also…

A:

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted,…

A: As per bartleby guideline expert have to answer first question only dear student please upload other…

Q: What is the probability that a randomly chosen senior will have a GPA greater than 4.1? The…

A:

Q: When a pair of dice is thrown 20 times, what is the probability of getting doubles at least once?

A: There are 6 sides in a die. So, if a die is thrown then total number of outcomes = 6 So, total…

Q: If you play, what is the probability that: You get at least one skull ?

A: here given, there are total 3 wheel  each wheel stop on single symbol, here outcome on each wheel…

Q: In a technology company, it is known that the average of network failure is 2 per week. What is the…

A: Let X denote the number of failures per week.  It is given that Average number of failures = 2

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: If a seed is planted, it has a 95% chance of growing into a healthy plant. If eleven seeds are…

A: Answer:Given that:p=0.95 ,   n=11now will use Binomial probability P(X=x)=nx*Px*(1–P)n–x,where…

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A:

Q: If a person takes a five questions true-false, what is the probability of the event that the score…

A: For the given statement

Q: If two people are chosen with replacement from the data, what is the probability that both are…

A: Given contingency table is :   Athletic Shoes Sandals Dress Shoes Other Total Men…

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: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A: Given: p = 0.2 q = 1 - p = 1 - 0.2 = 0.8 and  r = 3

Q: It is reported that 15% of all books sold are of the science fiction genre. If a bookstore sells 316…

A: The binomial probability distribution with parameters n and p is, PX=x=nxpx1-pn-x In the formula, n…

Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: It is given that n = 10 and p = 0.15.