# Question: View each column as a collection of independent observations of

View each column as a collection of independent observations of a random variable.

a. In each case, what kind of variable is represented, continuous or discrete? Why?

b.* Consider the event “annual salary is above $40,000.” Find the value of the binomial random variable X that represents the number of times this event occurred. Also find the binomial proportion p and say what it represents.

c. What fraction of employees are male? Interpret this number as a binomial proportion. What is n?

a. In each case, what kind of variable is represented, continuous or discrete? Why?

b.* Consider the event “annual salary is above $40,000.” Find the value of the binomial random variable X that represents the number of times this event occurred. Also find the binomial proportion p and say what it represents.

c. What fraction of employees are male? Interpret this number as a binomial proportion. What is n?

## Relevant Questions

You have a position open and are trying to hire a new person. Assume that the new person’s experience will follow a normal distribution with the mean and (sample) standard deviation of your current employees. a. Find the ...a. What is the finite-population correction factor? b. What is the adjusted standard error? c. What is an idealized population? d. In what way are your results more limited if you use the finite-population correction factor ...a. What is an estimator? b. What is an estimate? c. A sample standard deviation is found to be 13.8. Is this number an estimator or an estimate of the population standard deviation? d. What is the error of estimation? When ...Your restaurant will serve 50 dinner groups tonight. Assume that the mean check size of dinner groups in general is $60, the standard deviation is $40, and the distribution is slightly skewed with a longer tail toward high ...In a study of brand recognition, out of 763 people chosen at random, 152 were unable to identify your product. a. Estimate the percentage of the population (from which this sample was taken) who would be unable to identify ...Post your question