For a software company, a candidate has a success rate of p= 0.3for each attempt in their interview. An examinee applies for the company 5 times consecutively. He doesn't want a job. He is just messing with the company. What is the probability that the candidate gets the job 3 times within these 5 interviews? What is the variance for this probability distribution? What is the probability that he was successful at most 2 times?

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

A:

Q: A psychologist has found that 55% of people who come to his clinic for counseling are women. 75% of…

A: The given probability  is shown in the tree diagram Let A represents Women and A complement…

Q: Charlie wishes to investigate the effects of gummy bears which have been claimed to help increase…

A: The null hypothesis claims that there is no difference between the speeds, so the ratio of speed…

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: 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: If each day there's a 60 percent chance Joe will eat lunch, what is the probability that he'll eat…

A: Given: Each day there is 60% chance Joe will eat lunch. Objective of the question is to calculate…

Q: Leave all probabilities as percentages. Define x on all problems with data. There is a 20% chance…

A: X be the employers check applicants Facebook and other social media sites following binomial…

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: A recent poll of 300 executives' exercise habits revealed that 95 run and 127 bike.  49 reported…

A: P(A or B) = P(A) + P(B) - P(A and B)  Probability = favorable/total

Q: If a seed is planted, it has a 70% chance of growing into a healthy plant.

A: Given that the 70% chance of growing into a healthy plant. P(growing a plant)=0.70 P(not…

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

A:

Q: At a local high​ school, 15​% of the students have blue eyes. Each​ day, 9​% of the​ blue-eyed…

A: Let event B denotes that the students have blue eyes and S denotes student wear sun glass Given…

Q: There are two drilling bits to be used for drilling operations in an oil field. The probability that…

A: Given that the probability that a drilling bit is defective is = 5% =0.05  Each drilling bit is…

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given that if a seed is planted, the chance of growing into a healthy plant is 90%.

Q: Find the probability that exactly 7 out of 10 adults are active on social media considering a…

A: Given that  Probability of failure = 50% = 0.50 = P (1-P) = 1-0.50 = 0.50  = P(Success) Sample size…

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: If the percentage of sulfate-resistant concrete pieces in one of the factories is 25%, how many…

A:

Q: If a person is chosen at random, what is the probability that he or she does not smoke? (round your…

A:

Q: She then conducts a hypothesis test to see whether there is significant evidence to conclude that…

A: The hypotheses can be constructed as: H0: The speeds are the same i.e. no effect from ingesting…

Q: What is a simulation that describes the event that the home team will win their first three home…

A: We have to find probability given  events.

Q: Should the one-tailed or the two-tailed probability be used to assess performance  of the students?

A: The tail of the test depends on the alternative hypothesis of the test. The possible alternative…

Q: Let's say that 82% of people have Type O blood.  If 3 randomly selected people donate blood, what is…

A: Givenp=0.82n=3x~Binomial(n=3,p=0.82)P(X=x)=(nx)×px×(1-p)n-x  ; x=0,1,...,n

Q: Recently, the top web browser had 57.41% of the market. In a random sample of 200 people, what is…

A:

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 8 seeds are planted,…

A:

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 10 seeds are planted,…

A: Given that if a seed is planted, the chance of growing into a healthy plant is 90%.

Q: Goofy's fast food center wishes to estimate the proportion of people in its city that will purchase…

A: Consider that p is population proportion of people in its city that will purchase its products.

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A: Givenproportion(p)=0.634sample size(n)=430Mean(μp^)=p=0.634standard…

Q: A drug test correctly gives a positive result 90 percent of the time. However, 3 percent of the…

A:

Q: Privacy is a concern for many users of the Internet. One survey showed that 59% of Internet users…

A: Let p be the probability of concerned about the confidentiality of their email Based on this…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are planted,…

A:

Q: A manufacturer of electronic car vehicles finds that 10% of production is defected. What is the…

A: The binomial distribution is a discrete probability distribution with parameters n and p. If x is a…

Q: There was a baseball game between Oscar and Gabe. The chance of Oscar winning is 3/5 (60%). The…

A: Given that there are 5 series in the game, so n=5, and to be an champian needs to win 3 games, that…

Q: On the first day of music class, students submitted a survey. One survey question asked students to…

A:

Q: At a local high​ school, 15​% of the students have blue eyes. Each​ day, 9​% of the​ blue-eyed…

A: Given : At a local high​ school, 15​% of the students have blue eyes : P(Blue) = 0.15   Each​ day,…