NEED THIS URGENTLY PLEASEEE Suppose a fair coin is tossed 5 times and the result are...

Question

Question

NEED THIS URGENTLY PLEASEEE

Suppose a fair coin is tossed 5 times and the result are recorded.

a) What is the probability of landing heads exactly four times?

b) What is the probability of obtaining 3 or less heads?

(HINT: There are a few steps to this; 1-P(4H) is not quite enough. You must consider the probability of all 5 tosses being heads.

Answer 1

Answer #1

Answer 2

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