If two people are randomly selected from the above data set, find the probability that at least 1 of them has an IQ of 110 or higher. (A).7906 (B).7878 (C).2513 (D).5393 (E) .5026

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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9. Consider the data set that is summarized in the R output below.
Count percent cumpct
1.12
1.12
10.11
11.24
34.83
46.07
31.46
77.53
20.22
97.75
2.25 100.00
[80,90)
[90,100)
[100,110)
[110, 120)
[120,130)
[130,140)
67
1
9
MNH
∞∞
31
28
18
2
If two people are randomly selected from the above data set, find the probability that at least 1
of them has an IQ of 110 or higher.
(A).7906 (B) .7878 (C) .2513
(D).5393
(E).5026
Transcribed Image Text:9. Consider the data set that is summarized in the R output below. Count percent cumpct 1.12 1.12 10.11 11.24 34.83 46.07 31.46 77.53 20.22 97.75 2.25 100.00 [80,90) [90,100) [100,110) [110, 120) [120,130) [130,140) 67 1 9 MNH ∞∞ 31 28 18 2 If two people are randomly selected from the above data set, find the probability that at least 1 of them has an IQ of 110 or higher. (A).7906 (B) .7878 (C) .2513 (D).5393 (E).5026
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