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

Which of the following describes the characteristics of a solid? made up of particles packed closely together, having both definite shape and definite volume

I. Need help !!!!!!

When does resonance occur?

Which verb form correctly completes this sentence? Durante el verano _______ mucho calor, asíque nos bañábamos en el lago todos los días. hacía hacían h

Messing around online is a phrase that mean ?

Jill Barkely obtained a 25-year, $460,000 mortgage loan from University Savings and Loan Association with 6% interest. The monthly payment is $2,962.40. For the

Simplify each expression, Justify each step. -8+9w+(-23), 6/5*(-10*8), (4/3*0)*(-20), 53+(-12)+(-4t), 6+3 /9

Which of the following sentences correctly uses parallel structure? A. She is an artist, athletic, and plays piano. B. She is an artist, an athlete, and a

Which of the following sentences DOES NOT use capitalization correctly? Question 16 options: I don't drink much soda, but when I do, I prefer Diet Coke. Sweet T

Name FIVE x-values for which the tangent function equals 0.