The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minus. using the 68-95-99.7 rule, what percentage of students will complete the exam in under an hour?

Determine whether triangle tjd is congruent to triangle sek  givent (-4,-2), j (0,5), d (1,-1), s (-1,3), e (3,10), k (4,4)and explain the reason.  select one: a. yes, by sssb. no, by aasc. no, by asad. yes, by sas

20 points for the brainliest? drag each tile to the correct box. not all tiles will be used. arrange the steps to solve the equation . plz

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.