SOLUTION: A forest ranger estimates that 50% of the deer in her park carry a certain type of tick.
For a sample of 300 deer selected at random, what is the chance that 155 or fewer deer
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Question 519150: A forest ranger estimates that 50% of the deer in her park carry a certain type of tick.
For a sample of 300 deer selected at random, what is the chance that 155 or fewer deer
have this tick?
A) 0.737
B) 0.263
C) 0.864
D) 0.475
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A forest ranger estimates that 50% of the deer in her park carry a certain type of tick.
For a sample of 300 deer selected at random, what is the chance that 155 or fewer deer have this tick?
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Binomial Problem with n = 300 and p(carry tick) = 0.50
P(0<= x <=155) = binomcdf(300,0.5,155) = 0.737
Cheers,
Stan H.
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A) 0.737
B) 0.263
C) 0.864
D) 0.475
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