This topic contains a solution. Click here to go to the answer

Author Question: Find the probability at least 3 children do not recognize their mother's voice. What will be an ... (Read 64 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
Find the probability at least 3 children do not recognize their mother's voice.
 
  What will be an ideal response?

Question 2

What is the probability that both man and woman are working?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Viet Thy

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

P(X  3 ) = 0.323 (Here P = 0.10 )

Answer to Question 2

P(both man and woman are not working) = 1 - .88 = 0.12
P(woman doesn't work  man doesn't work) = 0.40
P(man does not work) = P(both man and woman are not working) / 0.40
= 0.12 / 0.40 = 0.30
P(man does not work) = P(man doesn't work and woman doesn't work)+
P(man doesn't work and woman works)
Then, 0.30 = 0.12 + P(man doesn't work and woman works)
Hence, P(man doesn't work and woman works) = 0.30 - 0.12 = 0.18
P(woman does work) = P(woman works and man works) +
P(woman works and man does not work)
Then, 0.40 = P(woman works and man works) + 0.18
Hence, P(woman works and man works) = 0.40 - 0.18 = 0.22




kamilo84

  • Member
  • Posts: 495
Reply 2 on: Jun 24, 2018
Gracias!


scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

For a complete list of videos, visit our video library