Ravi creates a probability game for his friends to play using a set of picture cards To make a hand they pick one picture card from each of these three sets at random as follows
Set 1: sun(s) or cloud (c)
Set 2: fish(f) or horse (h) or rabbit (r)
Set 3: lorry (l) or boat (b)
The prize they win depends on the hand they make
One of his friends is chosen at random
What is the probability that she has cloud and boat
Neither horse nor lorry

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Asphere has a diameter of 10 in. what is the volume of the sphere?