A study was conducted to evaluate the effectiveness of a new diet pill for men. A group of 3000 men were involved in the study. Of these 3000 men, 2311 took the diet pill and 889 were given a placebo.
Identify the treatments, the treatment group, and the control group.
Q. 2According to government data, the probability that an adult was never in a museum is 15. In a random survey of 10 adults, what is the probability that at least eight were in a museum?
A) 0.800 B) 0.200 C) 0.002 D) 0.820
Q. 3Suppose that two balanced dice are rolled. Let Y denote the product of the two numbers. Use notation to represent the event that the product of the two numbers is greater than 4.
A) 5, 6 B) PY > 4 C) XY > 4 D) Y > 4
Q. 4Which of the following is not true of statistics?
A) Statistics is used to answer questions with 100 certainty.
B) Statistics can be used to organize and analyze information.
C) Statistics involves collecting and summarizing data.
D) Statistics is used to draw conclusions using data.
Determine whether the underlined value is a parameter or a statistic.
Q. 5x = 5, n = 34
A) Not appropriate B) Appropriate
Q. 6For a randomly selected student in a particular high school, let Y denote the number of living grandparents of the student. What are the possible values of the random variable Y?
A) 1, 2, 3, 4 B) 0, 1, 2 C) 4 D) 0, 1, 2, 3, 4
Q. 7x = 22, n = 250
A) Not appropriate B) Appropriate
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