In a study, 42% of adults questions reported that their health was excellent. a researcher wishes to study the health of people living close to a coal power plant. among the 14 adults randomly selected from this area, only 3 reported that their health was excellent. find the probability that when 14 adults are randomly selected from the full population, only 3 or fewer report having excellent health.

0.0594

Step-by-step explanation:

Given : The population proportion of adults questions reported that their health was excellent : p = 0.42

Among the 14 adults randomly selected from this area, only 3 reported that their health was excellent.

i.e. Sample size : n= 14

z-score :

Put x= 3

Then, the probability that only 3 or fewer report having excellent health:-

Hence, the required probability : 0.0594

560

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question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.