Mathematics, 10.04.2020 22:33, carroch
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 25 children and let X be the number in the sample who have a food allergy. Then X ~ Bin(25, 0.05). (Round your probabilities to three decimal places.)
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: 3
Mathematics, 21.06.2019 20:30, jmcd10
Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.
Answers: 1
NBC News reported on May 2, 2013, that 1 in 20 children in the United States have a food allergy of...
Mathematics, 24.09.2019 15:50
Mathematics, 24.09.2019 15:50
Mathematics, 24.09.2019 15:50
Mathematics, 24.09.2019 15:50
Mathematics, 24.09.2019 15:50