Exercise 4: (40+m)% of adult New Yorkers prefer Starbucks coffee to other brands. A random sample of 5 adult New Yorkers is selected. Let the random variable X be the number of people who prefer Starbucks coffee. a. Does this scenario describe a random experiment with a fixed number of trials? If so, find the number of trials, n b. Does each trial result in two complimentary possibilities? If so, identify the "success" event c. Are the trials independent? Explain. If yes, find the probability of "success", p

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Exercise 4:
(40+m)% of adult New Yorkers prefer Starbucks coffee to other brands. A random
sample of 5 adult New Yorkers is selected. Let the random variable X be the number of
people who prefer Starbucks coffee.
a. Does this scenario describe a random experiment with a fixed
number of trials? If so, find the number of trials, n
b. Does each trial result in two complimentary possibilities? If so,
identify the "success" event
C. Are the trials independent? Explain. If yes, find the probability of
"success", p
d. Is X a binomial random variable? Explain:
e. Find the expected value (mean) and Standard deviation for the
random variable
f. Find the probability that 2 adult would prefer Starbucks coffee
Transcribed Image Text:Exercise 4: (40+m)% of adult New Yorkers prefer Starbucks coffee to other brands. A random sample of 5 adult New Yorkers is selected. Let the random variable X be the number of people who prefer Starbucks coffee. a. Does this scenario describe a random experiment with a fixed number of trials? If so, find the number of trials, n b. Does each trial result in two complimentary possibilities? If so, identify the "success" event C. Are the trials independent? Explain. If yes, find the probability of "success", p d. Is X a binomial random variable? Explain: e. Find the expected value (mean) and Standard deviation for the random variable f. Find the probability that 2 adult would prefer Starbucks coffee
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Event is the outcome of experiment. Event can be independent or independent. Independent event is the event which does not influenced by the other variables. Dependent event is the event which are influenced by other variable. 

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