Mathematics, 04.03.2021 03:10, Nicoleebel2984
Lucky Ducks
For a school fundraiser, Perey bought a big box of rubber ducks and wrote prize
amounts, in dollars, on the bottom of ench rubber duck. The prize amounts were
$5, $10, $20, $50, and $100. The number of ducks with each prize amount varied
so that the total value for all the ducks with each prize amount was always 500$
Amir paid $15 to play the game once. Il we assume he randomly selected a duck,
what is the probability that Amir won more money than he paid to play the
same
Answers: 1
Mathematics, 21.06.2019 18:40, calebhoover03
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 22.06.2019 04:10, u8p4
Walgreens sells both kleenex and nyquil. in a random sample of 5000 purchases, it was found that 1200 contained kleenex and 540 contained nyquil. these are not independent because sick people are more likely to buy both and healthy people more likely to buy neither. in looking into that, it was found that 360 purchases contained both. a. make a two-way table to display this information. fill in the table with the missing entries, and be sure your table has row and column totals. b. if we randomly select a purchase that contained kleenex, what is the probability it also contained nyquil? c. what percent of all purchases didn’t contain either product?
Answers: 1
Mathematics, 22.06.2019 05:00, j015
Aliaa is skating down a ramp. the wheels on her skateboard have diameters of 60 \text{ mm}60 mm60, space, m, m. what is the distance aliaa travels when her skateboard wheels make 202020 revolutions? round your answer to the nearest \text{mm}mmm, m.
Answers: 3
Lucky Ducks
For a school fundraiser, Perey bought a big box of rubber ducks and wrote prize
a...
a...
History, 21.01.2021 23:10
Social Studies, 21.01.2021 23:10
History, 21.01.2021 23:10