subject
Mathematics, 19.03.2020 00:44 ava108

Johnni guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that she got exactly 3 questions correct? Round the answer to the nearest thousandth.

P (k successes) = Subscript n Baseline C Subscript k Baseline p Superscript k Baseline (1 minus p) Superscript n minus k. Subscript n Baseline C Subscript k Baseline = StartFraction n factorial Over (n minus k) factorial times k factorial EndFraction
0.004
0.208

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, payshencec21
Find the balance at the end of 4 years if 1000 is deposited at the rate of
Answers: 2
image
Mathematics, 21.06.2019 16:20, PONBallfordM89
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
Answers: 1
image
Mathematics, 21.06.2019 17:30, liaholmes8
If i have one apple and give you the apple, how many apples do i have?
Answers: 2
image
Mathematics, 21.06.2019 18:30, singlegirlforlife541
Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days
Answers: 2
You know the right answer?
Johnni guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. Wha...

Questions in other subjects: