What is the probability that out of 250 babies born, 120 or fewer will be boys? Assume that boys and girls are equally probable,

Question

3 years ago

9

and round your answer to the nearest tenth of a percent.
A. 97.5%
B. 3.3%
C. 75.7%
D. 28.5%

2 answers:

avanturin [10] · Answer 1 · 2022-04-24T17:51:14+03:00

6 0

Answer:

Step-by-step explanation:

he;p me with mine first and then ill help u with urs ok plzzzzz

arsen [322] · Answer 2 · 2022-04-24T20:16:37+03:00

6 0

Answer:

D. 28.5 %

Step-by-step explanation:

The formula for it is

120

P(X ≤ 120) = ∑ 250C120 *0.5^120 * 0.5*130

0

which is best found using a binomial calculator.

I used one on line. The answer is D.