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me Filc Eoi: View History Bookmarks Poopie Window Hop 16% c Not Secure mathlynx.com/on stat prob eval cum?mode-eval&course; Jd-68 Other Problem 4 The following table idendies a group of children by one of flour hair decimal approdimacons to the nearest O.001 colors, and by type of hak. Enter probub in "r format, or as Hair Type Wavy ( W) Straight ( S) Brown (Rr) niond ( Rd Black (Bk) Red (R) Totals 87 190 109 39 Totals 65 194 19 a (25%)Complete the above table. b.(15%) What is the probability that a randomly selected chid will have wavy hair? c' (15%) What is the probability that a randomly selected child will have either brown or blond hair? P(BruBd) = d(15%) what is the probability that a randomly selected child wil have wavy brown hair? P(WnBr- e (15%) What is the probability that a randomly selected child will have red hair, given straight har P (RS)- f. (15%) (What is the probability of a child not having brown hair? P(B)Explanation / Answer
Result:
a).
Br
Bd
Bk
R
Total
W
87
26
69
8
190
S
109
39
125
11
284
Total
196
65
194
19
474
b).
P( W) = 190/474 =0.401
c).
P=261/474 =0.551
d).
P=87/474 =0.184
e).
P=11/284 =0.039
f).
P=278/474 =0.586
Br
Bd
Bk
R
Total
W
87
26
69
8
190
S
109
39
125
11
284
Total
196
65
194
19
474
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