Answer: the options are listed below.
A. 18.45%
B. 17.67%
C. 23%
D. 19.76%
The correct option is D. 19.76%.
Step-by-step explanation:
σ2p = (0.402)(0.352) + (0.602)(0.15)2 + (2)(0.4)(0.6)(0.35)(0.15)(0.45)
σ2p = 0.039046
σp = 19.76%
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