quiz 5

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University of Idaho *

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150

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Statistics

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Jan 9, 2024

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pdf

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4

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12/11/23, 6:54 PM Module 6 Quiz: F23 STAT153-02 https://canvas.uidaho.edu/courses/23232/quizzes/68035 1/4 Module 6 Quiz Due Oct 29 at 11:59pm Points 9 Questions 9 Time Limit None Instructions Correct answers are hidden. Score for this quiz: 9 out of 9 Submitted Oct 28 at 10:25am This attempt took 11 minutes. Welcome to the Module 6 quiz. This quiz will comprise of 9 questions. You will have 1 attempt. No consulting with other people or resources while taking this quiz. You are allowed to use a scientific calculator (addition, multiplication, subtraction, division is all you will need). 1 / 1 pts Question 1 A set of measurements or observations in a statistical study is said to be _____________ ___________ if it is unlikely to have occurred by chance. statistically significant 1 / 1 pts Question 2 ____________ are the most basic possible results of observations or experiments. outcomes
12/11/23, 6:54 PM Module 6 Quiz: F23 STAT153-02 https://canvas.uidaho.edu/courses/23232/quizzes/68035 2/4 1 / 1 pts Question 3 An __________ is a collection of one or more outcomes that share a property of interest. event 1 / 1 pts Question 4 True or false: Probabilities can take on any value as long as it is positive (i.e. from 0 to ) True False 1 / 1 pts Question 5 How many outcomes are there if you roll three fair six-sided dice? (The possible face values are 1,2,3,4,5, and 6 for each die) 216 1 / 1 pts Question 6
12/11/23, 6:54 PM Module 6 Quiz: F23 STAT153-02 https://canvas.uidaho.edu/courses/23232/quizzes/68035 3/4 What is the probability of rolling three 2's if you roll three fair six-sided dice? Round to three decimal places if necessary. 0.005 1 / 1 pts Question 7 If you roll a fair 10-sided die (possible face values would be 1,2,3,4,5,6,7,8,9,10), what is the probability of NOT rolling a '1' or '2'? Round to two decimal places if necessary. 0.8 1 / 1 pts Question 8 The _______ value of a variable is the weighted average of all its possible values. expected 1 / 1 pts Question 9 What is the expected value of rolling one fair six-sided die? (The possible face values of the six-sided die are 1,2,3,4,5,6, and remember that 'fair' means each face has an equal probability of being rolled). Round to two decimal places if necessary.
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12/11/23, 6:54 PM Module 6 Quiz: F23 STAT153-02 https://canvas.uidaho.edu/courses/23232/quizzes/68035 4/4 3.5 Quiz Score: 9 out of 9