Refer to the wheat Chex box fill problem 17.56 with µ =465 and σ =3.Below are 30 individua...

Refer to the wheat Chex box fill problem 17.56 with µ =465 and σ =3.Below are 30 individualobservation on box fill. (a) Prepare a histogram and/or normal probability plot for the sample. Does the sample support the view that box fill is a normally distributed random variable? Explain (b) Is the mean of these 20 same means where it should be?