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The probability that a California college student is on Instagram is 75%. Suppose that you selected...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone,...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone, 50% an Android smartphone and 5% some other type of phone. Let X=the number of students in a simple random sample of 15 students who own an iPhone. A. What is the probability distribution of X? Note: If this is a well-known distribution it is sufficient to name the distribution and identify the value of the parameters B. Find the probability that 8 students...
Question 18 The probability that you will win a game is p = 0.88. If you...
Question 18 The probability that you will win a game is p = 0.88. If you play the game 1488 times, what is the most likely number of wins? (Round answer to one decimal place.) Let X represent the number of games out of 1488) that you win. Find the standard deviation for the probability distribution of X. (Round answer to two decimal places.) 20 and the maximum usual value Use the range rule of thumb to find the minimum...
6. A couple of college students, frustrated with the current class registration process, decide to (...
6. A couple of college students, frustrated with the current class registration process, decide to ( point survey 500 random students on campus. They find that 84% are also dissatisfied. What is the standard deviation of this binomial distribution? ● 420.0 08.2 67.2 О 0.1 7. The probability of a child being born with light-colored eyes to two articular parents is 0.25. The parents intend to have 5 children. Find the variance of this binonial distribution. point) 00.9 01.0 О...
You are playing a card came, and the probability that you will win a game is...
You are playing a card came, and the probability that you will win a game is p = 0.39. If you play the game 95 times, what is the most likely number of wins? (Round answer to one decimal place.) = Let X represent the number of games (out of 95) that you win. Find the standard deviation for the probability distribution of X. (Round answer to two decimal places.) The range rule of thumb specifies that the minimum usual...
A survey was conducted to determine what percentage of college seniors would have chosen to attend...
A survey was conducted to determine what percentage of college seniors would have chosen to attend a different college if they had known then what they know now. Suppose 34% of the seniors indicated that they would have attended a different college. You randomly select 12 seniors to interview. _71. Is this a discrete, binomial, or normal distribution? 72. Calculate the mean. 73. Calculate the standard deviation. 74. Find the probability that at least 5 seniors indicated they would have...
help with 20 & 21 19. Data indicates that 60% of college students are female. If...
help with 20 & 21
19. Data indicates that 60% of college students are female. If you randomly choose a students for a committee what is the probability that you will have exactly 6 females on the committee? (Use Binomial Distribution) A. .749 B. .600 C. 410 D251 6 r 20 singthe data in Question #19 above, whatistheprob ability thatyou willhav ore females on the committee? lo A. .633* B. .749 C. .400 D. .251 Fial レ USJsingthedataisQuestion #19, what...
3. The following table lists the probability distribution for cash prizes in a lottery conducted at Lawsons Departm...
3. The following table lists the probability distribution for cash prizes in a lottery conducted at Lawsons Department Store; Prize(S) Probability 0.45 0.30 100 0.20 500 0.05 If you buy a single ticket, what is the probability that you will win: 10 a. Exactly $100? b. At least $10? c. No more than $100? d. Compute the mean, variance, and standard deviation of this distribution. 4. In a binomial situation, n = 4 and p = 0.25. Determine the probabilities...
13. According to a study done by a university student, the probability a randomly selected individual...
13. According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe people's habits as they sneeze.(a) What is the probability that among 18 randomly observed individuals exactly 8 do not cover their mouth when sneezing?(b) What is the probability that among 18 randomly observed individuals fewer than 5 do not cover their mouth...
According to a study done by a university student, the probability a randomly selected individual will...
According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe people's habits as they sneeze.(a) What is the probability that among 16 randomly observed individuals exactly 6 do not cover their mouth when sneezing?(b) What is the probability that among 16 randomly observed individuals fewer than 3 do not cover their mouth when...
(20) 9. It is believed that 20% or more of the student population of ABC College...
(20) 9. It is believed that 20% or more of the student population of ABC College is over age 25. Suppose 98 students were randomly surveyed to see if less than 20% of the population are over age 25. A. What is the null hypothesis using symbols? What is the null hypothesis using words? B. What is the alternate hypothesis using symbols? What is the alternate hypothesis using words? C. What type of error happens (if any) if the researcher...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone, 50% an Android smartphone and 5% some other type of phone. Let X=the number of students in a simple random sample of 15 students who own an iPhone. A. What is the probability distribution of X? Note: If this is a well-known distribution it is sufficient to name the distribution and identify the value of the parameters B. Find the probability that 8 students...
Question 18 The probability that you will win a game is p = 0.88. If you play the game 1488 times, what is the most likely number of wins? (Round answer to one decimal place.) Let X represent the number of games out of 1488) that you win. Find the standard deviation for the probability distribution of X. (Round answer to two decimal places.) 20 and the maximum usual value Use the range rule of thumb to find the minimum...
6. A couple of college students, frustrated with the current class registration process, decide to ( point survey 500 random students on campus. They find that 84% are also dissatisfied. What is the standard deviation of this binomial distribution? ● 420.0 08.2 67.2 О 0.1 7. The probability of a child being born with light-colored eyes to two articular parents is 0.25. The parents intend to have 5 children. Find the variance of this binonial distribution. point) 00.9 01.0 О...
You are playing a card came, and the probability that you will win a game is p = 0.39. If you play the game 95 times, what is the most likely number of wins? (Round answer to one decimal place.) = Let X represent the number of games (out of 95) that you win. Find the standard deviation for the probability distribution of X. (Round answer to two decimal places.) The range rule of thumb specifies that the minimum usual...
A survey was conducted to determine what percentage of college seniors would have chosen to attend a different college if they had known then what they know now. Suppose 34% of the seniors indicated that they would have attended a different college. You randomly select 12 seniors to interview. _71. Is this a discrete, binomial, or normal distribution? 72. Calculate the mean. 73. Calculate the standard deviation. 74. Find the probability that at least 5 seniors indicated they would have...
help with 20 & 21
19. Data indicates that 60% of college students are female. If you randomly choose a students for a committee what is the probability that you will have exactly 6 females on the committee? (Use Binomial Distribution) A. .749 B. .600 C. 410 D251 6 r 20 singthe data in Question #19 above, whatistheprob ability thatyou willhav ore females on the committee? lo A. .633* B. .749 C. .400 D. .251 Fial レ USJsingthedataisQuestion #19, what...
3. The following table lists the probability distribution for cash prizes in a lottery conducted at Lawsons Department Store; Prize(S) Probability 0.45 0.30 100 0.20 500 0.05 If you buy a single ticket, what is the probability that you will win: 10 a. Exactly $100? b. At least $10? c. No more than $100? d. Compute the mean, variance, and standard deviation of this distribution. 4. In a binomial situation, n = 4 and p = 0.25. Determine the probabilities...
13. According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe people's habits as they sneeze.(a) What is the probability that among 18 randomly observed individuals exactly 8 do not cover their mouth when sneezing?(b) What is the probability that among 18 randomly observed individuals fewer than 5 do not cover their mouth...
According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe people's habits as they sneeze.(a) What is the probability that among 16 randomly observed individuals exactly 6 do not cover their mouth when sneezing?(b) What is the probability that among 16 randomly observed individuals fewer than 3 do not cover their mouth when...
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