4th Nine Weeks Project Review Game (Karine)

Mrs. Burnett is a WNBA basketball player. She is a 70% free throw shooter. What is the probability that Mrs. Burnett makes her first free throw on her fifth shot?

• 0.0024

• 0.0057

• 0.0081

• 0.0720

Which of the following statements is correct.

1. The standard error is computed solely from sample attributes.

2. The standard deviation of a population is computed solely from sample attributes.

3. The standard error is a measure of central tendency.

• 1 only

• 2 only

• 1 and 2

• 1 and 3

A teacher needed to survey a sample of students from a college. From each major offered at the college, the teacher randomly selected 5 % of the students with that major to participate in the survey. Which best description of the type of sample selected by the teacher?

• Cluster sample

• Convenience sample

• Simple random sample

• Stratified random sample

According to data, only 36 % of eligible voters voted in the most recent election. For a random sample size of 40, which best describes the sampling distribution of pˆ, the sample proportion of people who voted in the most recent election?

• The sampling distribution is skewed to the left, with mean 0.36 and standard deviation 0.076

• The sampling distribution is skewed to the left, with a mean of .36 and a standard deviation of .076

• The sampling distribution is skewed to the right, with a mean of  0.64 and a standard deviation of .006

• The sampling distribution is approximately normal, with a mean of .36 and a standard deviation of .076

H0 :μ=64

Ha :μ>64

Which describes a Type II error?

• Failing to reject the null hypothesis when the population mean is > 64

• Failing to reject the null hypothesis when the population mean is 64

• Rejecting the null hypothesis when the population mean is > 64

• Rejecting the null hypothesis when the population mean is 64

Which of these statements is true?

1. Categorical variables are the same as qualitative variables.

2. Categorical variables are the same as quantitative variables.

3. Quantitative variables can be continuous variables.

• 1 and 3

• 1 only

• 3 only

• 1 and 2

If a coin is tossed three times in the air, what is the probability that it lands on tails exactly one time?

• 0.125

• 0.250

• 0.375

• 0.333

A random card is drawn from a regular deck of playing cards. You win $100 if the card is a heart or an king. What is the probability that you will win $100?

(There are 52 cards per deck)

• 1/13

• 13/52

• 4/13

A class of 10th graders was tested and shown to have a mean score of 100 and a standard deviation of 15. If Mia’s z-score is 1.20, what was her score on the test?

• 82

• 100

• 118

• 112

If I toss a dice 5 times. What is the probability of getting exactly 2 threes?

• 0.028

• 0.161

• 0.167

• Too little information.