Alawn company advertises that they can spread 7,500 square feet of grass seed in 2 1/2
hours. find the number of square feet of grass seeds that can spread per hour/

Someone me! if you’re smart you can solve this!

Precalculus question, image attached.

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample