SOLUTION: If 30% of all commuters ride the train to work, find the probability that if 10 workers are selected, 5 will ride the train.

Algebra.Com
Question 553502: If 30% of all commuters ride the train to work, find the probability that if 10 workers are selected, 5 will ride the train.
Answer by nyc_function(2741)   (Show Source): You can put this solution on YOUR website!
Basic Binomial distribution question:
Take out a graphing calculator and type in binompdf(10,.3,5) and that should give you- 0.1029
Thus, the probability is 10.3% for 5 workers to ride the train to work out of 10 possible.

RELATED QUESTIONS

If 10% of the people who take a certain medication get a headache, find the probability... (answered by math_tutor2020)
Suppose that 3 out of 4 dentists recommend SparkleSmile toothpaste. (a) If 10 dentists... (answered by stanbon)
Suppose that 3 out of 4 dentists recommend SparkleSmile toothpaste. (a) If 10 dentists... (answered by stanbon)
78% of all commuters take the train into the city. If 12 works are selected at random... (answered by Boreal)
Adrienne wants to catch a train that leaves at 10:40 AM and must ride her bike to the... (answered by Fombitz)
A hire tool firm finds that their net return from hiring tools is decreasing... (answered by jorel1380)
A survey found that 77% of bike riders sometimes ride without a helmet. If 4 bike riders... (answered by stanbon)
If 25% of U.S. federal prison inmates are not U.S. citizens, find the probability that... (answered by ikleyn)
If 25% of U.S. federal prison inmates are not U.S. citizens, find the probability that... (answered by ikleyn)