Sally is planning the school picnic and needs to decide what food vendor to use. She asks 250 students whether they would rather
have a taco truck or a fruit smoothie cart. The results of the survey are shown in the table.
2 answers:
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Answer:
0.0274
Step-by-step explanation:
The mean is and the standard deviation is
Calculate
for
If then
and
Use table for normal distribution probabilities to get that