If P(A) = 1. P(A and B) = 1 and P(A or B) = ģ. what is P(B)?

A. 1/3
B. 1/4
C. 2/3
D. 1/2

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

What is 140% of 25? because i need

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish