Below are five number sequences. which ones are geometric sequences? check all that apply. a- 1 2 3 4 53 9 27 81 343b. 2, 3, 5, 9, 17,c. 3, -12, 48, -192, 768,d. 3, -15, -33, -51, -69,e., 1 1 1 1

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

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.

What is 10+10+20 about the origin the square root of a triangle.