can you check my answers? will medal and fan

Question

jessicawade · Answer

5. A mattress store boasts 4 out of 5 sleepers in a commercial that airs locally. I talked to the owner and found out he only talked to ten people.

The situation listed above is an example of what?
 (1 point)

    Regressive
Stratification <<<<<
Variation
Replication
Blocking

9. Any outcome or collection of outcomes that are a subset of the sample space is called what?
 (1 point)

    Event<<<<<
Controlled
Successes
Strata

12.  
What is the probability of choosing a 2 or a heart from a deck of cards?
 (1 point)

    0.0770
.250
.30770<<<<<<
.3269

15.  
Approximately 9% of high school actors go on to perform in college. Of these college actors, only 1.3% go on to have a professional career. What is the probability that a high school actor will go on to play a professional career?
 (1 point)

    0.117%<<<<<
0.144%
0.69%
2.20%

jessicawade · Answer

18. The table above shows the probability distribution for the number of videos rented. Notice the notation of x and P(x). What is the probability that a customer rents LESS THAN TWO VIDEOS.
 (1 point)

 0.10
.20<<<
.30
.4

jessicawade · Answer

@Qwertty123

jessicawade · Answer

@AloneS

jessicawade · Answer

ive already done the work, i just needed a second opinion :)