In an online survey of 1.2 million Americans, 34% of the sample say McDonalds makes the best

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In an online survey of 1.2 million Americans, 34% of the sample say McDonald’s makes the best French fries of all fast- food chains.
a. If three participants of the study are randomly selected with replacement, what is the probability that all three participants say McDonald’s makes the best French fries of all fast-food chains? Round your result to five decimal places.
b. If three participants of the study are randomly selected with replacement, what is the probability that at least one participant says McDonald’s makes the best French fries of all fast-food chains? Round your result to five decimal places.
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