The weight of a basketball is normally distributed with a mean if 17 oz. and a standard version deviation of 2 oz. suppose 50j0 different basketballs are in a warehouse. how many basketballs weigh more than 19 oz?

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute. how many minutes does it take for the plane to rise during stage 2?