Analysing the Statistical Analysis

¶ … die is rolled. What is the probability that the number on top is the following? Three can only come about once. Since the chances can be six, the probability is 1/6. An odd number There are three odd numbers, which are 1, 3, and 5. Therefore probability is 1/6 + 1/6 + 1/6 = 3/6 A number less than There are four numbers less than five, which are 1, 2, 3 and 4 Therefore, the probability is 1/6 + 1/6 + 1/6 + 1/6 = 4/6 A number greater than There are three numbers greater than 3, which are 4, 5, and 6.

Therefore the probability is 1/6 + 1/6 + 1/6 = 3/6 What are the odds in favor of a high school female athlete being drafted by a pro-basketball team? What are the odds against a female basketball player who makes a freshman college roster playing as a senior? 4,313 c. What is the probability of a high school female athlete being drafted by a pro-basketball team? / (452,929 + 1) = 1 / 452,930 d.

What is the probability of a NCAA senior female athlete being drafted by a pro-basketball team? Odds = 1 Therefore, probability = 1 / 32 +1 = 1/33 Problem 4.16 One dog 63/100 Dog owner 1/2 More than one dog 37/100 Not a dog owner 1/2 1/2 * 63/100 = 63/200 Problem 4.28 Determine whether each of the following pairs of events is mutually exclusive. a. Five coins are tossed: "one head is observed," "at least one head is observed." Mutually exclusive b. A salesperson calls on a client and makes a sale: "the sale exceeds $100," "the sale exceeds $1,000." Mutually exclusive c.

One student is selected at random from a student body: the person selected is "male," the person selected is "older than 21 years of age." Mutually exclusive d. Two dice are rolled: the total showing is "less than 7," the total showing is "more than 9." Not mutually exclusive Problem 4.36 Determine whether each of the following pairs of events is independent: a. Rolling a pair of dice and observing a "1" on the first die and a "1" on the second die Independent b.

Drawing a "spade" from a standard playing cards deck and then taking another "spade" from the very same pack without swapping the initial card Independent c. Same as part (b), except the first card is returned to the deck before the second drawing Not independent d. Owning a red automobile and having blonde hair e. Owning a red automobile and having a flat tire today Independent e. Studying for an exam and passing the exam Not independent Problem 5.2 a. The variables in problem 5.1 are either discrete or continuous.

Which are they and why? i. Number of siblings -- continuous. This is because the number of siblings cannot change at the moment ii. Number of conversations -- discrete. There will be more conversations to be held between the children and the mothers. b. Explain why the variable "number of dinner guests for Thanksgiving dinner" is discrete. The variable is discrete because the number of guests can change through cancelation or extra invites. c. Explain why the variable "number of miles to your grandmother's house" is continuous.

The variable is continuous because the distance cannot be change and the house will not move as it is stationary. Problem 5.8 a. Express P open parenthesis x close parenthesis equals 1 over 6; for x = 1, 2, 3, 4, 5, 6,.