19. In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what is the probability that exactly 2 belong to an ethnic minority? 20. Use the information in the previous question to find the probability that at most 2 students belong to a minority.

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given,n=5p=0.52Let X=no.of adults use their smartphonesin meetings or classes.X~Binomial(n=5 ,…

Q: Twelve people are given two identical speakers to listen to for differences, if any. Suppose that…

A: Solution

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Given : adults with smartphones are randomly​ selected, 56​% use them in meetings or classes. p =…

Q: Delta Airlines' flights from Chicago to Seattle are on time 50 % of the time. Suppose 11 flights are…

A:

Q: quiz has 11 multiple choice questions with each having 3 choices. Suppose a student decides to…

A:

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A: We have given that,  Probability (p) = 37% = 0.37 . n = 9 . And x=2 .

Q: In a bag of marbles, there are 12 green, 12 blue, and one red. Find the probability for each…

A: As per given by the question, there are 12 green, 12 blue, and one red marbles in a bag. Now, 1.…

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

A:

Q: C) Of a group of 50 Year 11 students, 32 study art and 30 study graphics. Each student studies at…

A:

Q: 29% of all college students major in STEM (Science, Technology, Engineering, and Math). If 44…

A:

Q: A quiz has 12 multiple choice questions with each having 3 choices. Suppose a student decides to…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given that adults with smartphones are randomly​ selected, 52​% use them in meetings or classes.…

Q: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A:

Q: 10. A school is trying to schedule periods of Chemistry and Algebra II. They find that a total of…

A: We have to find given probability..

Q: Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or…

A: As each adult has two options "To use smartphones in meetings or classes" or "Not to use smartphones…

Q: A survey of 100 people in New York City., NY found that, The probability that they take the subway…

A:

Q: If 3 people are randomly selected from all the people in the four cities, what is the probability…

A: From the bar chart, it is clear that 42.767 (in thousands) are from Edmonds and 56.752 (in…

Q: yellow Labrador retrievers. If 8 puppies are selected at​ random, determine the probability they are…

A: Given Total number of puppies=20

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: Assume that when adults with smartphones are randomly​ selected, 63​% use them in meetings or…

A:

Q: Assume that when 3 adults with smartphones are randomly selected, 46% use them in meetings or…

A:

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: In a group of 103 students, 34 are diploma level and 22 are bachelor level. Find the probability…

A: Given that Group of 103 students 34 are diploma level and 22 are bachelor level Now, the number of…

Q: On the average, 20 people per hour uses an express teller machine situated inside a chool complex.…

A: We have given that  Average ( λ ) = 20 Formula used.  P(X=x)= (e-λ  * λx )/x!

Q: 64% of all students at a college still need to take another math class. If 5 students are randomly…

A:

Q: Twelve adults were surveyed and asked how many children they had. The results are:…

A: Twelve adults were surveyed . The results are:  1,3,0,2,2,0,1,1,3,2,0   Number of adults with  at…

Q: a jury of 16 people is selected from 24 people: 12 women and 12 men. What is the probability (to the…

A: From the provided information, A jury pool consists 24 people. Total men = 12 Total women = 12

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: 1. What is the probability that all the numbers are different? 2. What is the probability that at…

A: Here given There is 65 balls and each ball is written with different number One balls is picked and…

Q: class of 40 students, 27 like Calculus and 25 like Chemistry. What is the probability hat a student…

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Q: Assume that when adults with smartphones are randomly​ selected, 48​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: Solution: Let X be the random variable that  adults uses smartphones in meetings or classes. The…

Q: Assume that when adults with smartphones are randomly​ selected, 39​% use them in meetings or…

A: Define the random variable x as the number of adults using smartphones in meetings or classes. Here,…