Suppose 49 percent of the customers at Pizza Palooza order a square pizza, 71 percent order a soft drink, and 38 percent order b
oth a square pizza and a soft drink. Is ordering a soft drink independent of ordering a square pizza?
a. Yes
b. No
1 answer:
Answer:
b. No
Step-by-step explanation:
Represent
Such that



Required
Determine if events S and D are independent
Two events S and D are independent if:

Substitute values for P(S) and P(D)

Convert to decimals


Convert to percentage


The calculated P(S and D) is not equal to 38%
Hence, the events are not independent.
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