Select the proper answer. Decide whether the experiment is a binomial experiment. If it is not, explain why.  Survey 1,000 investors to see how many different stocks they own. The random variable represents the number of different stocks owned by each investor.

Provide an appropriate response. Given the table of probabilities for the random variable x, does this form a probability distribution? Answer Yes or No.    

Provide an appropriate response. A normal probability plot is a graph that plots _____________ versus _____________.

Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response.   High temperatures in a certain city for the month of August follow a uniform distribution over the interval 62°F to 93°F. What is the probability that a randomly selected August day has a high temperature that exceeded 67°F?

Choose the one alternative that best completes the statement or answers the question. The probability that an individual has 20-20 vision is 0.17. In a class of 20 students, what is the mean and standard deviation of the number with 20-20 vision in the class?

Provide an appropriate response. The produce manager at a farmer’s market was interested in determining how many oranges a person buys when they buy oranges. He asked the cashiers over a weekend to count how many oranges a person bought when they bought oranges and record this number for analysis at a later time. The data is given below in the table. The random variable x represents the number of oranges purchased and P(x) represents the probability that a customer will buy x apples. Determine the mean number of oranges purchased by a customer.

Choose the one alternative that best completes the statement or answers the question.   Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gender of any other children. Find the probability of exactly five girls in ten births.

Solve the problem. A lab orders a shipment of 100 rats a week, 52 weeks a year, from a rat supplier for experiments that the lab conducts. Prices for each weekly shipment of rats follow the distribution below:   Find the standard deviation for the lab budget for next yearʹs rat orders assuming this distribution does not change.

Classify the following random variable according to whether it is discrete or continuous. The number of emails received on any given day.

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