# Introductory Statistics Homework Help

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There are five daily flights from Toronto to Montreal. Suppose the probability that any flight arrives late is 0.2. What is the probability that none of the flight is late today?

a

0.246

b

0.375

c

0.0826

d

0.3277

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Scores on a recent exam followed a normal distribution and letter grades will be assigned with 15% A, 35% B, 30% C, 15% D, and 5% F. Suppose that Sue took the exam and had a standardized score of 0.85. What letter grade will Sue get?

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What is the null hypothesis for a controlled experiment?

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https://www.dropbox.com/s/etdehkfg3qzdvrq/Screenshot%202021-10-03%2022.04.57.png?dl=0

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There are 16 players in my poker group that meets the first Tuesday of everymonth. Ten of the players are male and six are female. 1. If someone is chosen atrandom to bring chips, what is the probabilitythat a male will be chosen? As always, reduce your fraction.

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____________ is a particular combination of levels of the factors involved in a study.

A)An analysis of variance

B)The sampling design

C)The factor level

D)A treatment

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