M=2.5
6m=15
is it true or false

What is the shape of the height and weight distribution

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

If the probability of an event happening is 65% then the probability this event does not occur?