Mathematics, 22.04.2020 23:42 Ideen
Among smartphone users, 40% use a case but no screen protector, 10% use a screen protector but no case, 45% use both a case and a screen protector, and 5% use neither a case nor a screen protector. Twenty smartphone users are sampled at random. Let X1, X2, X3, X4 be the respective numbers of users in the four given categories.
Find P(X1=7, X2=3, X3=8, X4=2).
Answers: 3
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Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3
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Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.
Answers: 1
Among smartphone users, 40% use a case but no screen protector, 10% use a screen protector but no ca...
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