WebMay 27, 2024 · Elise randomly surveyed students at her school to find out their favorite music. The table shows the results of Elise's survey. If there are 400 students at Elise's school, how many can she predict will like pop music the best? Favorite Music 150_lm 100 200 125. Question. Gauthmathier0166. WebLet the random variable X be the number of packs of cards Hugo buys. Here is the probability distribution for X. So it looks like there is a 0.2 probability that he buys one pack, and that makes sense because that first pack, there is a 0.2 probability that it contains his favorite player's card, and if it does, at that point he'll just stop ...
Probability with discrete random variable example - Khan Academy
WebCar manufacturers are interested in whether there is a relationship between the size of car an individual drives and the number of people in the driver’s family (that is, whether car size and family size are independent). To test this, suppose that 800 car owners were randomly surveyed with the results in Table 11.39. Conduct a test of ... WebThe editors from Jammin surveyed a random sample of 50 individuals and recorded the observed counts of individuals for each jelly type. They decided to test Berry Weekly's claim using a chi-square goodness-of-fit test using Jammin's observed counts compared with the number of expected counts based on the Berry Weekly data. macarthur iron projects corporation
An ecologist is examining whether the number of fish caught in a …
WebDec 18, 2010 · Q: A poll was taken of 208 students at a commuter campus to find out how they got to campus. How many…. A: Click to see the answer. Q: At a football game, 40 fans were randomly surveyed. Of the sampled fans, 6 named Daren as the best…. A: given out of 40 fans, 6 fans named Daren as the best player to find from 12000 fans how many say…. WebHyp Test Theory Quiz 2. Eric randomly surveyed 150 adults from a certain city and asked which team in a contest they were rooting for, either North High school or South High … WebShe randomly surveyed 30 customers with each customer's monthly salary ( y, in RMB yuan) and beauty score ( x, in point from a common-used 1-to-9 scale with higher scores for more beautiful people) recorded as follows, where taking customer #10 for example, x 10 = 7 and y 10 = 6, 500 imply that this surveyed customer was quite beautiful with a ... macarthur i\\u0027ll be back