SOLUTION: Suppose that a certain population 7% of people are color blind. A researcher selects people at random from this population. Whats the probability that the first color blind person

Algebra.Com
Question 864299: Suppose that a certain population 7% of people are color blind. A researcher selects people at random from this population. Whats the probability that the first color blind person will be found among the first 6 people checked.
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Suppose that a certain population 7% of people are color blind. A researcher selects people at random from this population. Whats the probability that the first color blind person will be found among the first 6 people checked.
--------------
Binomial Problem with n = 6 and p(cb) = 0.07
--------------
P(at least one in 6) = 1 - P(none are bc) = 1 - (0.93)^6 = 0.3530
-----------------------
Cheers,
Stan H.
=======================

RELATED QUESTIONS

suppose it is known that in certain population 10 percent of the population is colour... (answered by ewatrrr)
Color blindness appears in 2% of the people in a certain population. How large must a... (answered by CPhill)
Data shows that 90% of the people in a certain population are right-handed. A group of 8... (answered by Fombitz)
Suppose that 25% of the people in a certain population have low hemoglobin levels. The... (answered by Boreal)
A researcher wishes to estimate the proportion of left-handers among a certain... (answered by Boreal)
Please Help. Thx. 1) According to the 2000 U.S. Census,50.9% of the U.S. population... (answered by edjones)
Assume that blood pressure readings are normally distributed with μ = 111 and σ = 7.... (answered by Boreal)
In a test conducted it was found that of 1000 new recruits, 600 men and 400 women, 50 of (answered by ikleyn)
Color Blindness: According to the Medical College of Wisconsin Eye Institute, 9% of men... (answered by ikleyn)