A class has five students. What is the probability that exactly two of the students were...
A class has five students. What is the probability that exactly two of the students were born on a weekend?
What is the number of trials, n, and the constant trial probability, p, for this example?
What is the answer to the question given?
What are the mean and standard deviation for this situation?
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A class has five students. What is the probability that exactly
two of the students were...
Find the probability that in a class of 35 students exactly 3 were born in each...
Find the probability that in a class of 35 students exactly 3 were born in each of the seven days of the week. Assume that there is no relation between birthday and day of the week.
In a statistics class there are 12 students. Five of the students are seniors and the...
In a statistics class there are 12 students. Five of the students are seniors and the rest are juniors. Four students are randomly chosen at the same time from the students in the class to lead four study groups of three students each. What is the probability that the sample of four contains an equal number of seniors and juniors The probability of a person being born with six fingers (polydactyly) is one in five-hundred. If two unrelated people are...
4. Suppose that 75% of the students in a large class know how to answer a...
4. Suppose that 75% of the students in a large class know how to answer a particular test question correctly. You take a random sample of n = 5 student exams from the class. (a) What is the probability that none of the 5 students answered the test question correctly? (b) If the instructor gives no partial credit. 4 points for a correct answer and 0 points for an incorrect answer, i. What are the mean and standard deviation of...
10. The probability that an individual has 20-20 vision is 0.13. In a class of 80 students, what is the standard de...
10. The probability that an individual has 20-20 vision is 0.13. In a class of 80 students, what is the standard deviation of the number with 20-20 vision in the class? Round to the nearest tenth Tne standard denntion wod n pi-p 1.O03 N1013X1- B Would it be unusual for a class of 80 students to have 14 students wit 20-20 vision? Explain. das abn narameters and
10. The probability that an individual has 20-20 vision is 0.13. In a...
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...
In a medical research class the students were asked to find out the time of their...
In a medical research class the students were asked to find out the time of their birth. of the 38 students in the class, 18 were born between 12 am and 11:59 am. If we pick 5 students at random: a) create a probability distributions for the number of students born between 12 am and 11:59 am (A) (label columns and rows; use only what you need; show work-some or all) b) what is the probability of having 2 or...
a. For classes of "149" students, find the mean and standard deviation for the number born...
a. For classes of "149" students, find the mean and standard deviation for the number born on the 4th of July. Ignore leap years. b. For a class of 149 students, would two be an unusually high number who were born on the 4th of July? a. The value of the mean is μ= _________. The value of the standard deviation is σ= ____________. b. For a class of 149 students, would two be an unusually high number who...
A binomial experiment has the given number of trials n and the given success probability p....
A binomial experiment has the given number of trials n and the given success probability p. n= 15, p -0.75 Part 1 Determine the probability P(More than 13). Round the ansker to three decimal places. P(More than 13) =0.0802 Part 2 Find the mean. Round the answer to two decimal places. The mean is 11.25 Su Part 3 out of 3 Find the variance and standard deviation. Round the variance to two decimal places and standard deviation to three decimal...
Dr. Campbell's MLA class has 15 students. All of the students know each other well, and...
Dr. Campbell's MLA class has 15 students. All of the students know each other well, and each knows exactly what day of the week they were born on. What is the minimum number of students Dr. Campbell needs to randomly select to guarantee she has chosen two who were born on the same day? (Assume Dr. Campbell is not privy to their birthday information.)
There are 36 students enrolled in this class. What is the probability that at least two...
There are 36 students enrolled in this class. What is the probability that at least two of the students have the same birthday? (Ignore the possibility that someone might have been born on Feb. 29.)
4. Suppose that 75% of the students in a large class know how to answer a particular test question correctly. You take a random sample of n = 5 student exams from the class. (a) What is the probability that none of the 5 students answered the test question correctly? (b) If the instructor gives no partial credit. 4 points for a correct answer and 0 points for an incorrect answer, i. What are the mean and standard deviation of...
10. The probability that an individual has 20-20 vision is 0.13. In a class of 80 students, what is the standard deviation of the number with 20-20 vision in the class? Round to the nearest tenth Tne standard denntion wod n pi-p 1.O03 N1013X1- B Would it be unusual for a class of 80 students to have 14 students wit 20-20 vision? Explain. das abn narameters and
10. The probability that an individual has 20-20 vision is 0.13. In a...
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...
A binomial experiment has the given number of trials n and the given success probability p. n= 15, p -0.75 Part 1 Determine the probability P(More than 13). Round the ansker to three decimal places. P(More than 13) =0.0802 Part 2 Find the mean. Round the answer to two decimal places. The mean is 11.25 Su Part 3 out of 3 Find the variance and standard deviation. Round the variance to two decimal places and standard deviation to three decimal...
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