shannonmil920 shannonmil920

03-05-2021
Mathematics

contestada

A class has five students. What is the probability that exactly two of the students were born on a weekend?

Respuesta :

RyanYuhYeet RyanYuhYeet

03-05-2021

Answer:

This is binomial.

Here n = 5

p = 2/7

mean = np = 5*2/7 = 10/7 = 1.42857

standard deviation = sqrt(npq) = sqrt(5*2/7*5/7) = 1.01015

Step-by-step explanation:

Work Shown.

Answer Link

Otras preguntas

What happened as a result of the Japanese attack on Pearl Harbor? The United States negotiated with Japan in an effort to avoid war. The United States imposed

sebuah benda berjarak 8 cm di depan cermin cekung yang memiliki fokus 12 cm. perbesaran bayangan yang dihasilkan adalah?? tentukan juga M nya??

help me thank you(alegbra 1)

The liver stores vitamins a, b12,c, and k. true false

What were the core beliefs for the trustee period?

Among 10 laptop computers, five are good and five have defects. Unaware of this, a customer buys 6 laptops.What is the probability of exactly 2 defective laptop

what is a scientific blank?

What is the synonym of democracy A protest B policy C ceremony D inauguration

A new car that costs $17,500 loses 25 percent of its value in the first year. how much is the loss of value

What is the difference between(5+x) and (2x+3)