michaelthegreat0708 michaelthegreat0708

12-05-2020
Mathematics

contestada

In a group of 30 students, the probability that at most 25 of them like to swim
is 38%. What is the probability that at least 26 of them like to swim?
A- 38
B- 62
C-55
D-44

Respuesta :

ronhagrid310 ronhagrid310

12-05-2020

Answer:

P(A) = at most 25 of them like to swim

P(B) = at least 26 of them like to swim

P(A) +P(B) = 100%

=> P(B) = 100-P(A) = 100-38 =62%

=> B is correct

Answer Link

Otras preguntas

rewrite the expression without using a negative exponent 6m^-2

A special form of loose connective tissue that pads and insulates the body and stores fuel reserves is known as (A) epithelial tissue. (B) adipose tissue. (C) f

What is a Vector and a scalar?

how do I figure out what 5550/1000

what were the four main causes of the Cold War

what type of reaction produces a metal from its metal oxide

What is a unit of area with dimensions 1unit x 1unit x 1unit= ?

How many quarts in 24 pints?

What evidence in the declaration is there of religious faith? How do you think this religious faith influenced the ideals expressed in the declaration

Which of the following stages of the cell cycle occurs immediately prior to mitosis? (A) G1 (B) G2 (C) S (D) M (E) cytokinesis Can you please explain with some