12. The distribution of the length of fish in a hatchery is approximately Normal with mean 14 inches and standard deviation 2 inches.

(a) What is the probability that 16 randomly selected fish have a mean length more than 14. 5 inches?

(b) What is the probability that 64 randomly selected fish have a mean length more than 14. 5 inches?

(c) Explain why the probabilities in (a) and (b) are not equal.

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

Using the list, you can select the number of photos that will appear on each slide. a. theme b. frame shape c. pictures in album d. picture layout

Which tool could be used to display only rows containing presidents who served two terms