Tulane reports an overall 4 year graduation rate of 75%. From a random sample of 8...
Tulane reports an overall 4 year graduation rate of 75%. From a random sample of 8 students, use the Binomial Distribution to answer the following:
a. What is the probability that 4 or more will graduate in 4 years?
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Tulane reports an overall 4 year graduation rate of 75%. From a
random sample of 8...
For incoming freshman, Texas A&M reports an overall 4 year graduation rate of 75%. For a...
For incoming freshman, Texas A&M reports an overall 4 year graduation rate of 75%. For a random sample of 8 entering freshman, use the Binomial Distribution to answer the following: A. What is the probability that 5 will graduate in 4 years? B. What is the probability that 4 or more will graduate in 4 years? C. What is the expected number E(x) to graduate in 4 years from this sample?
A certain state has the highest high school graduation rate of all states at 85%. A....
A certain state has the highest high school graduation rate of all states at 85%. A. In a random sample of 10 high school students from the state, what is the probability that 8 will graduate? B. In a random sample of 10 high school students from the state, what is the probability than 7 or fewer will graduate? C. What is the probability that at least 8 high school students in our sample of 10 will graduate? Show work...
Thirty-two percent of the students in a management class are graduate students. A random sample of...
Thirty-two percent of the students in a management class are graduate students. A random sample of 5 students is selected. Using the binomial probability function, determine the probability that the sample contains two or more graduate students? (Please express answer to four decimal places in the following form: 2.5555 or 2.0001). Question 12 0.5 pts Thirty-two percent of the students in a management class are graduate students. A random sample of 5 students is selected. Using the binomial probability function,...
A local county has an unemployment rate of 8%. A random sample of 15 employable people...
A local county has an unemployment rate of 8%. A random sample of 15 employable people are picked at random from the county and are asked if they are employed. The distribution is a binomial. Round answers to 4 decimal places. a) Find the probability that exactly 5 in the sample are unemployed. b) Find the probability that there are fewer than 2 in the sample are unemployed. c) Find the probability that there are more than 1 in the...
A local county has an unemployment rate of 6.2%. A random sample of 19 employable people are pick...
A local county has an unemployment rate of 6.2%. A random sample
of 19 employable people are picked at random from the county and
are asked if they are employed. The distribution is a binomial.
Round answers to 4 decimal places.
a) Find the probability that exactly 2 in the sample are
unemployed.
b) Find the probability that there are fewer than 3 in the
sample are unemployed.
c) Find the probability that there are more than 4 in the...
Let X be the mean of a random sample of size n = 75 from the...
Let X be the mean of a random sample of size n = 75 from the uniform distribution on the interval (0,4), .e 0, otherwise. Approximate the probability P(1.84 < X 〈 2.16).
Let X be the mean of a random sample of size n = 75 from the...
Let X be the mean of a random sample of size n = 75 from the uniform distribution on the interval (0,4), .e 0, otherwise. Approximate the probability P(1.84 < X 〈 2.16).
A random sample of 75 measurements is drawn from a population with a mean of 60...
A random sample of 75 measurements is drawn from a population with a mean of 60 and a standard deviation of 5. 17.) The mean of the sampling distribution of y hat is ________. 18.) The standard error of the sampling distribution of y hat is __________. (use 4 decimal places).
In each situation below, is it reasonable to use a binomial distribution for the random variable...
In each situation below, is it reasonable to use a binomial distribution for the random variable X? Give reasons for your answer in each case. (a) A random sample of students in a fitness study. X is the mean systolic blood pressure of the sample. Yes, a binomial distribution is reasonable. X is a mean of the binomial distribution. No, a binomial distribution is not reasonable. Binomial distributions cannot be used with random samples. Yes, a binomial distribution is reasonable....
In a certain country, 20% of the female adult population smoke regularly. In a random sample...
In a certain country, 20% of the female adult population smoke regularly. In a random sample of 800 adults, what is the probability that: a) less than 150 are smokers? Use the normal approximation to the binomial. b) 200 or more are smokers? Use the normal approximation to the binomial. c) Find answers to (a) and (b) using the binomial distribution and R. Copy and paste the code and the answer into your document.
Thirty-two percent of the students in a management class are graduate students. A random sample of 5 students is selected. Using the binomial probability function, determine the probability that the sample contains two or more graduate students? (Please express answer to four decimal places in the following form: 2.5555 or 2.0001). Question 12 0.5 pts Thirty-two percent of the students in a management class are graduate students. A random sample of 5 students is selected. Using the binomial probability function,...
A local county has an unemployment rate of 8%. A random sample of 15 employable people are picked at random from the county and are asked if they are employed. The distribution is a binomial. Round answers to 4 decimal places. a) Find the probability that exactly 5 in the sample are unemployed. b) Find the probability that there are fewer than 2 in the sample are unemployed. c) Find the probability that there are more than 1 in the...
A local county has an unemployment rate of 6.2%. A random sample
of 19 employable people are picked at random from the county and
are asked if they are employed. The distribution is a binomial.
Round answers to 4 decimal places.
a) Find the probability that exactly 2 in the sample are
unemployed.
b) Find the probability that there are fewer than 3 in the
sample are unemployed.
c) Find the probability that there are more than 4 in the...
Let X be the mean of a random sample of size n = 75 from the uniform distribution on the interval (0,4), .e 0, otherwise. Approximate the probability P(1.84 < X 〈 2.16).
Let X be the mean of a random sample of size n = 75 from the uniform distribution on the interval (0,4), .e 0, otherwise. Approximate the probability P(1.84 < X 〈 2.16).
In each situation below, is it reasonable to use a binomial distribution for the random variable X? Give reasons for your answer in each case. (a) A random sample of students in a fitness study. X is the mean systolic blood pressure of the sample. Yes, a binomial distribution is reasonable. X is a mean of the binomial distribution. No, a binomial distribution is not reasonable. Binomial distributions cannot be used with random samples. Yes, a binomial distribution is reasonable....
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