what is the complement of flipping a coin 20 times and landing on heads 11 times? p = 1/10 p = 11/20 p =…

what is the complement of flipping a coin 20 times and landing on heads 11 times? p = 1/10 p = 11/20 p = 9/20 p = 10/20

what is the complement of flipping a coin 20 times and landing on heads 11 times? p = 1/10 p = 11/20 p = 9/20 p = 10/20

Answer

Explanation:

Step1: Define the event

The event is getting 11 heads in 20 coin - flips.

Step2: Recall the concept of complement

The complement of an event A is all the outcomes that are not in A. The total number of coin - flips is 20. If we get 11 heads, then the number of non - 11 - head outcomes is (20 - 11=9). The probability of the complement event (P') is the number of non - favorable outcomes divided by the total number of outcomes.

Step3: Calculate the probability of the complement

The probability of the complement (P'=\frac{20 - 11}{20}=\frac{9}{20})

Answer:

C. (P' = 9/20)