1.02 Practice Checkpoint: Binomial Distributions Comprehensive Exam With Correct Answers.
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Course
BINOMIAL
Institution
BINOMIAL
Which of the following indicates the value of (8 over 2) (.3)^2(.7)^6? - correct answer binomPDF(8,0.3,2)
You take a 100-question multiple-choice test. Each question has five choices, and you guess at each question. Which of the following calculator commands ...
Which of the following indicates the value of (8 over 2) (.3)^2(.7)^6? - correct answer
binomPDF(8,0.3,2)
You take a 100-question multiple-choice test. Each question has five choices, and you guess at each
question. Which of the following calculator commands would give you the probability of getting at least
30 questions correct? - correct answer 1 - binomcdf(100,0.2,29)
Which of the following are not essential characteristics of a binomial event?
Each outcome must be independent.
The sample size must be at least 20.
A trial can have only two possible outcomes. - correct answer 2 only
True or False: The following situation could be considered a binomial experiment: In 1999, 25,000
students took the AP Statistics Exam. The probability that a randomly selected student from this group
passed the exam was about 0.6. A statistician wants to know the likelihood that more than 650 out of
1000 students randomly selected from this group passed the exam. - correct answer
True.
The probability that a given 80-year-old person will die in the next year is 0.27. What's the probability
that exactly 10 of 40 80-year-olds will die in the next year? - correct answer 0.1385
The probability that a given 80-year-old person will die in the next year is 0.27.
What's the probability that between 10 and 15 (inclusive) of 40 80-year-olds will die in the next year? -
correct answer 0.6191
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