Which scenario is modeled in the diagram below? Percents Total 80% 20% 100% 20% 20% 20% 20% $6.87 Dimitri used a coupon that saved him 80 percent, or $6.87. He paid $34.35 for the items. Dimitri used a coupon that saved him 80 percent, or $27.48. He paid $34.35 for the items. Dimitri used a coupon that saved him 80 percent, or $6.87. The price of the items before the discount was $34.35. Dimitri used a coupon that saved him 80 percent, or $27.48. The price of the items before the discount was $34.35.

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?

According to a research study, parents with young children slept 6.4 hours each night last year, on average. a random sample of 18 parents with young children was surveyed and the mean amount of time per night each parent slept was 6.8. this data has a sample standard deviation of 0.9. (assume that the scores are normally distributed.) researchers conduct a one-mean hypothesis at the 5% significance level, to test if the mean amount of time parents with young children sleep per night is greater than the mean amount of time last year. the null and alternative hypotheses are h0: μ=6.4 and ha: μ> 6.4, which is a right-tailed test. the test statistic is determined to be t0=1.89 using the partial t-table below, determine the critical value(s). if there is only one critical value, leave the second answer box blank.

Which problem would you use the following proportion to solve for? 24/x=40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?