Statistics Final Ch. 4-6 Questions & Answers

Statistics Final Ch. 4-6 Questions & Answers _____________ is the distribution of all values of the statistic when all possible samples of the same size n are taken from the same population. - ANSWER: The sampling distribution of a statistic _____________ is the distribution of sample proportions, with all samples having the same sample size n taken from the same population. - ANSWER: The sampling distribution of the proportion .If you bet $ 1.24 in a certain state's Pick 4 game, the expected value is −$0.82. Which bet is better, a $1.24 bet in the Pick 3 game or a $ 1.24 bet in the Pick 4 game? Explain. - ANSWER: Neither bet is better because both games have the same expected value. "At least one" is equivalent to _______. - ANSWER: one or more A _______ is any event combining two or more simple events. - ANSWER: compound event A _______ probability of an event is a probability obtained with knowledge that some other event has already occurred. - ANSWER: conditional A _______ random variable has either a finite or a countable number of values. - ANSWER: discrete A _______ random variable has infinitely many values associated with measurements. - ANSWER: continuous A _______ variable is a variable that has a single numerical value, determined by chance, for each outcome of a procedure. - ANSWER: random A certain group of women has a 0.86% rate of red/green color blindness. If a woman is randomly selected, what is the probability that she does not have red/green color blindness? - ANSWER: be sure to convert the percent into a probability by dividing by 100. Then subtract it from 1. 0.9914