Poisson and Geometric

The McDonald's Monopoly game has a 1 in 4 chance of winning.  What is the probability your first win is on your third attempt?

• .1406
• .0156
• .2500
• .0352

Only 4% of people have type AB blood.  What is the probability the first person with AB blood at the blood drive will be the 12th donor?

• .0001
• .0255
• .6382
• .2553

Given 13% of people are left-handed.  What is the probability the first left-handed person will be the sixth person polled?  

• .0564
• .1116
• .0001
• .0648

The probability that a salesman will make a sale on any given call is .23.  Find the probability that his first sale will occur on his fourth or fifth call.

• .1050
• .0809
• .1859
• .8141

According to the BMV, about 93% of all people who take the driving test pass.  What is the probability it will take someone more than two times to pass the test?

• .9300
• .0651
• .9951
• .0049

The mean number of accidents per month at a certain intersection is 3.  What is the probability that in any given month exactly 4 accidents will occur at this intersection?

• 1.0081
• .1680
• .6721
• .7500

There is an average of 3 road construction projects that take place at any one time in a city.  Find the probability that exactly 5 road construction projects are currently taking place.

• .6000
• .0112
• .1404
• .1008

A certain maternity wing has a mean number of 6 babies born a day.  What is the probability of 7 babies being born in this maternity wing on any given day?

• .8571
• .1490
• .1377
• .0213

Given that on average 10 people are killed by sharks worldwide each year.  Find the probability that 1 or 2 people are killed in a year.

• .0023
• .0005
• .0028
• .9972

A mean number of .6 hurricanes strike the U.S. mainland each year.   Find the probability that more than one hurricane will strike the U.S. mainland in a given year. 

• .1219
• .8781
• .3293
• .6707