Mathematics, 17.08.2019 21:10, Lnjayy
In an exit poll, for which the sample size was 3180, suppose that 65% of all voters voted for a recall. define a binary random variable taking values 0 and 1 that represent the vote for a particular voter (1 = vote for the recall). state its probability distribution. choose the sentence below that best describes the probability distribution.
Answers: 1
Mathematics, 21.06.2019 19:00, dfrtgyuhijfghj4794
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.
Answers: 1
Mathematics, 22.06.2019 04:20, lexipiper8296
The amount of calories consumed by customers at the chinese buffet is normally distributed with mean 2743 and standard deviation 652. one randomly selected customer is observed to see how many calories x that customer consumes. round all answers to 4 decimal places where possible. a. what is the distribution of x? x ~ n(correct, correct) b. find the probability that the customer consumes less than 2355 calories. incorrect c. what proportion of the customers consume over 3026 calories? incorrect d. the piggy award will given out to the 1% of customers who consume the most calories. what is the fewest number of calories a person must consume to receive the piggy award? incorrect calories. (round to the nearest calorie)
Answers: 3
Mathematics, 22.06.2019 06:30, natachalebrun2
Reyna has 3 dimes (worth 10 these coins at random, what is the probability that the two coins together least 35 cents? cents each) and 6 quarters (worth 25 cents each). if she chooses two of will be worth at
Answers: 1
In an exit poll, for which the sample size was 3180, suppose that 65% of all voters voted for a reca...
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