Which of the following is not a property of a Binomial Experiment? a. All trials

Question

Which of the following is not a property of a Binomial Experiment? a. All trials are identical. b. Each trial has only two possible outcomes. c. The probability of success may change from trial to trial. d. The purpose of the experiment is to determine the number of success that occurs during the n trials. |8 3| (0.2)^3 (0.8)^5 In the expression |8 3| (0.2)^3 (0.8)^5 which value represents the probability of failure? a. 2 b. 3 c. 5 d. 8 In the expression |7 2| (0.4)^2(0.6)^5 which value represents the probability of failure? a. 0.6 b. 0.4 c. (0.4)^2 d. (0.6)^5 In the expression |10 3| (0.5)^3(0.5)^7 which value represents the number of success? a. 3 b. 10 c. 5 d. 7 Which expression describes the probability of k"3s" being 20 successive rolls of a six-sided die? a. |20 k| |1/6|^k |5/6|^20-k b. |20 k||5/6|^k|1/6|^20-k c. |20 k||3/6|^k|3/6|^20-k d. |20 3| |1/6|^3|5/6|^17 The probability of a computer memory chip being defective is 0.02. Which of the following statements is a. true? a. In a shipment of 100 chips, two will be defective. b. The expected number of defective chips in a shipment of 500 is ten c. In a shipment of 1000 chips, it is certain that at least one will be defective. d. All statements above are false. A young couple plans to have a family with four children. Assuming that the behavior of their first child does not cause them to alter their plans, what is the expected number of girls for their family? a. 2.5 b. 2.25 c. 2 d. 1.5

Explanation / Answer

1.

c. The probability of success may change from trial to trial.

2.

d. 8

3.

a. 0.6

4.

a. 3

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