Michelle collected data from a random sample of 1000 baseball players in her state asking whether or not they would like to use aluminum or wood bats. Based on the results, she reports that 50% of the baseball players in the nation want to use aluminum bats. Why is this statistic misleading?  You do not have to show work for this question.

Simplify .  Show all steps on your paper.

C and D are two events with P(C) = 0.3,  P(D) = 0.6, and P(C|D) = 0.3.   Calculate P(D|C). Give your answer as a decimal to the tenths place.  Show all work on paper.

If a card is picked at random from a standard 52-card deck, what is the probability of getting a Black card or a Queen? Enter your answer as a simplified fraction.  Show all work on paper.

A data set is summarized in the frequency table below. Using the table, determine the number of occurrences of values less than or equal to 2.  Show work on paper. Value Frequency 0 7 1 5 2 3 3 2 4 3 5 5 6 0 7 9 8 1 9 6 10 4  

Find the solutions to the following quadratic equation  using the quadratic formula.  Show all work on paper.   x = ,  x =

A bag of marbles contains 8 green marbles, 9 purple marbles, and 7 yellow marbles. What is the probability that a marble picked at random is purple? Give your answer as a simplified fraction.  Show all work on paper.

Use cross multiplication to solve the following proportion:

Given the triangle below, find  tan(θ).  Explain work on paper

Convert the following fraction to a percent: 32/100. Do not include the percent sign in your answer.  You do not have to show work on paper.