Let Z be a standard normal random variable and calculate the following probabilities, drawing pictures wherever appropriate. (Round your answers to four decimal places.)

(a) P(0 <= Z <= 2.24)

(b) P(0 <= Z <= 2)

(c) P(%u22122.60 <= Z <= 0)

(d) P(%u22122.60 <= Z <= 2.60)

(e) P(Z <= 1.64)

(f) P(%u22121.75 <= Z)

(g) P(%u22121.60 <= Z <= 2.00)

(h) P(1.64 <= Z <= 2.50)

(i) P(1.60 <= Z)

(j) P(|Z| <= 2.50)

Please explain how to get the answer, I don't understand what the question is asking.

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so, about which interval is it approximately symmetric?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?