SOLUTION: 37% of the birds in Cititon Park are blue. What is the probability that, in a random sample of 135 birds, more than 50 are blue birds? Use a normal approximation to compute your an

Algebra.Com
Question 1175650: 37% of the birds in Cititon Park are blue. What is the probability that, in a random sample of 135 birds, more than 50 are blue birds? Use a normal approximation to compute your answer. Round your answer to 4 decimal places.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
Normal Probability:   p =.35
Sample: n = 135 , 50/130 = .37


   z = .00039
P(x > 50) = 1 - P(x ≤ 50)  
1 -  P(x ≤ 50) = 1 -   P(z ≤ .0004) = 1- .5 = .5 0r 50%
Wish You the Best in your Studies.


RELATED QUESTIONS

37% of the squirrels in Cititon Park are gray. What is the probability that, in a random... (answered by Boreal)
On 1 Jan 2014 a bird sanctuary is home to 25 birds. During Jan 2014, 3 more birds are... (answered by Boreal)
A cage has 10 male and 5 female birds. If three birds are selected at random from the... (answered by stanbon)
It is given that on average 6 birds per half hour are coming to a water pond during a hot (answered by Boreal)
A zoo has 4 types of birds. There are 28 birds in the zoo. There are 5 blackbirds, 7... (answered by vleith)
There are 15 blue jays and 14 orioles perched in 3 trees . each tree has at least 4 blue... (answered by Edwin McCravy)
Total number of birds in two branches of a tree are less than 10. number of birds in... (answered by ikleyn)
Holly is selling, goldfish, birds, and rabbits. Goldfish are $1, birds are $5, and... (answered by ikleyn,josgarithmetic)
Some birds are resting o two trees; A and B. The number of birds on A tree is nine times... (answered by ptaylor)