42. The following table presents the number of views (in millions) that each of the videos in Exercise 41 got in 2015.

Video
Wiz Khalifa-See You Again
2. Maroon 5 Sugar
3. Ellie Goulding
---Love Me Like You Do
4. Major Lazer & DJ Snake-Lean On
5. Taylor Swift-Bad Blood
6. David Guetta-Hey Mama
7. Sia - Elastic Heart
8. Fifth Harmony-Worth It
9. Adele-Hello
10. Silentó-Watch Me

Number of views (millions)
1166
872
809
794
634
458
450
422
414
410

Are these data discrete or continuous?

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:

What percent of the butterfly tents contain at most 10 cocoons