A multiple-choice test consists of 10 questions, each with choices A, B, C, D, E (exactly one choice is correct). Which is more likely if you simply guess at each question: all your answers are wrong, or at least half are right? Explain.
A multiple-choice test consists of 10 questions, each with choices A, B, C, D, E (exactly one choice is correct). Which is more likely if you simply guess at each question: all your answers are wrong, or at least half are right? Explain.
Solution Summary: The author explains that a multiple choice test consists of 10 questions, each with choices A,B,C,D,E, and exactly one is correct from them.
A multiple-choice test consists of
10
questions, each with choices
A, B, C, D, E
(exactly one choice is correct). Which is more likely if you simply guess at each question: all your answers are wrong, or at least half are right? Explain.
A multiple-choice test has 10 questions. Each question can be answered with A, B, C, or D. How many outcomes are possible?
Name:
ID: A
15. An experiment was designed to test whether or not students can tell the difference between tap water and
bottled water. For cach student in a class of 20 students, three cups of water will be used. Two of the cups
will be filled with either tap water or bottled water and the final cup filled with the other type. The
students will drink all three cups of water and will be asked to identify which cup ofwater was different
from the others. The type of water to be poured in two of thc three qups will be determined by random
assignment. Which of the following cannot bc used to randomly assign each student to either two cups of
tap water and one cup of bottled water or two cups of bottled water and one cup of tap water?
Put each studcnt's name on cqually sized pieces of paper and then put the names in a
hat. Mix the names thoroughly. The first ten students selected will be given two cups
of tap water and the other students will be given two cups of botted water.
a.
b.
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