What is the probability that a data value in a normal distribution is between a z-score of -1.13 and a z-score of -0.19?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

The product of 3 and a number increased by 8 is 31

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16