Mathematics, 19.03.2021 18:30, steward92
NBC News reported on May 2, 2013, that 1 in 20 children in the United States have a food allergy of some sort. Consider selecting a random sample of 15 children and let X be the number in the sample who have a food allergy. Then X ~ Bin(15, 0.05).
a. Determine both P(X <= 3) and P(X < 3).
b. Determine P(X >= 4). c. Determine P(1 <= X <= 3).
d. What are E(X) and Sigma (x)?
e. In a sample of 50 children, what is the probablity that none have a food allergy?
Answers: 1
and 
and 
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 17:30, atkinsonsinbraz
One integer is 8 times another. if the product is 72, then find the integers
Answers: 2
Mathematics, 21.06.2019 21:00, babyboo6745
Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?
Answers: 1
Mathematics, 22.06.2019 01:30, alyssaboosiefkes
Im so bad at fractions they are not my best math thing to work on
Answers: 3
Do you know the correct answer?
NBC News reported on May 2, 2013, that 1 in 20 children in the United States have a food allergy of...
Questions in other subjects:
Mathematics, 13.03.2020 16:43
