Find the standard deviation of the random variable. Round to two decimal places if necessary. 10 20 30 P(X = x) 0.18 0.18 0.64 O A. 7.02 О В. 7.8 Ос. 6.55 O D. 8.58 O E. 9.05

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Find the standard deviation of the random variable. Round to two decimal places if necessary.
10
20
30
P(X = x)
0.18
0.18
0.64
O A. 7.02
О В. 7.8
О с. 6.55
O D. 8.58
O E. 9.05
Click to select your answer.
MacBo
esc
20
F3
F2
D00
D00
F4
F5
%23
Transcribed Image Text:Find the standard deviation of the random variable. Round to two decimal places if necessary. 10 20 30 P(X = x) 0.18 0.18 0.64 O A. 7.02 О В. 7.8 О с. 6.55 O D. 8.58 O E. 9.05 Click to select your answer. MacBo esc 20 F3 F2 D00 D00 F4 F5 %23
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