Question 7: calculate the probability a randomly selected student enrolled in a math class is taking a class required by a STEM major.

Q: This problem involves students who have taken Calculus in high school. Assume that 15 percent of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: researcher found that 85% of white ash trees in Pennsylvania are damaged by the emerald green ash…

A:

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

A:

Q: 40% of homeowners own AC. If 15 people are selected at random, what is the probability that at most…

A: We have given that the Binomial distribution with parameters p=40%= 0.40 and n=15.   The pmf of…

Q: Question 3: In 2014, 78.9% of US households spoke only English at home. What is the probability that…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: The probability that an individual has 20-20 vision is 0.14. In a class of 77 students, what is the…

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Q: the probability that a randomly selected day in April will be rainy or windy?

A: The probability of rain on any day in the month of April is 28%. The probability that will be windy…

Q: An Insurance company study shows that 45% of U.S. adults have high blood pressure. Suppose 6 U.S.…

A: Let p be the probability of U.S. adults have high blood pressure  n be the sample  size Let X be the…

Q: According to a study by a road safety interest group, the probability that speeding is a cause of a…

A: We have to find given probability.

Q: A sociology teacher asked her students to complete a survey at the beginning of the year. One survey…

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Q: A group of people were asked if they had run a red light in the last year. 203 responded "yes", and…

A: The number of people, who responded to have run a red light, i.e., the number of responses in terms…

Q: A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer.…

A: Given : A student takes a ten-question true-false quiz  Probability of success,p = 0.5…

Q: In a large town, previous records indicate that 40% of all high school graduates go to college. 30…

A: From the given information, n=30 and p=0.40.

Q: A group of people were asked if they had run a red light in the last year. 471 responded "yes", and…

A:

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: An Insurance company study shows that 45% of U.S. adults have high blood pressure. Suppose 6 U.S.…

A: It is given that n =6 and p = 0.45.

Q: A recent survey shows that 60% of families regularly schedule family vacations for the month of…

A: Given, 60% of families regularly schedule family vacations for the month of April. Let X = number of…

Q: Suppose a math class contains 31 students, 19 females (two of whom speak French) and 12 males (three…

A: We have given that a math class contain 31 students, 19 females( 2 speaks French) and 12 males(3…

Q: Suppose a math class contains 47 students, 24 females (four of whom speak French) and 23 males (six…

A:

Q: Assume that 30 percent of students have taken calculus in high school. Of those who have taken…

A: Let define the events: C = students taken calculus in high school C=students do not taken calculus…

Q: This problem involves students who have taken Calculus in high school. Assume that 25 percent of…

A:

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: In a survey of consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

A:

Q: Given that a random person has a degree in computer science, the probability that they work as a…

A: Given that a random person has a degree in computer science, the probability that they work as a…

Q: The probability that a police officer is hiding behind a billboard next to the highway is 0.06. The…

A: Conditional probability:   Let A and B be two events, then the condition probability for event A,…

Q: It is determined that 62% percent of Grade 12s attend school in a particular urban school district.…

A: Given : n = 500 p = 0.62 q = 1 - p  q = 1-0.62 q = 0.38 Here n×p and n×q is greater than 5. hence we…

Q: Question 4: 26% of couples who plan to marry want to do a destination wedding. In a random sample of…

A: Given,n=12p=0.26Let X=no.of couples want to do a destination weddingX~Binomial(n=12 ,…

Q: An Insurance company study shows that 40% of U.S. adults have high blood pressure. Suppose 10 U.S.…

A: given data P(high blood pressure) = p = 0.40sample size n  =10x = numer of adults with high blood…

Q: Customers use an automatic teller machine at an average rate of 15 per hour.  What is the…

A: Given: Average rate, λ=12

Q: Research has shown that approximately 1 woman in 700 carries a mutation of a particular gene. About…

A: We are given,Research has shown that approximately 1 woman in 700 carries a mutation of a particular…