The heights of children in a city are normally distributed with a mean of 54 inches and standard deviation of 5.2 inches. Suppose random samples of 40 children are selected. One sample of 40 children has a sample mean of 56 inches. What is the Z-score of this sample mean? Round the value to two decimal places.

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder