Select all expressions that have a 2
value of 34.
3
We
4
A.
340 - 16
5
B.
380 - 13
6
3
C.
408 = 12
D.
510 = 15
7
E.
680 = 24

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?