Binomial | Your Startup paid Marketing Inc $320,000 to promote Startup’s Name to Industry executives. | ||||||||||||

After six months, Marketing Inc sends you a report stating, 30% of Industry executives now | |||||||||||||

recognize the name Startup. You randomly call 15 Industry executives. What is the probability… | |||||||||||||

1 | …exactly | 4 | executives have heard Startup’s Name? | ||||||||||

2 | …no more than | 0 | executives recognize the name Startup? | ||||||||||

3 | …more than | 0 | executives have heard of Startup? | ||||||||||

4 | …at least | 7 | executive know Startup’s Name? | ||||||||||

Geometric | The success rate for XX-XY medically assisted pregancy is .04 and costs $18,000 per treatment. | ||||||||||||

5 | What is the likelihood of | 3 | failures before Serachel becomes pregnant? | ||||||||||

6 | What is the total amount Serachel pays for her treatment(s)? | ||||||||||||

Salesperson’s call to sale conversion rate is 2.6%. What is the likehood… | |||||||||||||

7 | there are | 2 | unsuccessful calls before the first sale? | ||||||||||

8 | it takes less than | 5 | calls for Salesperson to make a sale? | ||||||||||

Hypergeometic | Lottery blows 75 numbered ping pong balls wildy around in a machine, and randomly draws 15 | ||||||||||||

winning balls. Tickets can be bought with anywhere from 1- 15 numbers. I.M. Lucky buys a lottery | |||||||||||||

ticket, selecting 9 numbers. What is the probablity I.M. Lucky matches… | |||||||||||||

9 | …exactly | 2 | numbers? | ||||||||||

10 | …no more than | 8 | numbers? | ||||||||||

Assorted 11 | Studies show a person’s state of mind influences their experiences. Might that be reason enough | ||||||||||||

for those who like Horror films to really like such a film if released on the 13th of the month, a day | |||||||||||||

considered superstious in the USA. (An iconic Horror film franchise is called, Friday the 13th.) | |||||||||||||

Of the last 125 Horror films 14 opened on the 13th day of the month. What distribution can be | |||||||||||||

used to calculate the likeihood the makers of Horror films feel lucky about realeasing Horror | |||||||||||||

movies on the 13th day of the month? | |||||||||||||

12 | In the hypergeometric calculator, input ST = 30, GS = 10, TSX = 15, and GSX = 3. Looking at the | ||||||||||||

graph, what value is most likey to occur? | |||||||||||||

13 | Assuming you choose the correct value in question 12 (You can check by looking at the exact | ||||||||||||

probabilities) why is it most likey to occur? | |||||||||||||

14 | Using the geometric distribution, if the probablity of interest is .22 what is the standard | ||||||||||||

deviation? | |||||||||||||

15 | Using the binomial, if n = 50 and the probability of success = .20, how many success out of 50 trials | ||||||||||||

would you expect to occur? | |||||||||||||

Discrete Probability Calculator