10. Gavin collects a certain type of seashell. He has 160 seashells. The seashells’ weights are distributed normally, with a mean of 120 grams and a standard deviation of 26 grams. How many of the seashells weigh at least 68 grams?

A. 156
B. 134
C. 152
D. 109

For what value of (y) is 3^3/3^y =1/9

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%