WILL MAEK BRAINLIST
A shop has 20 pens. 12 of them are red. What percent of them are red?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Can someone me and explain..will award brainlest!