The deepest free dive by a human in the ocean is 417 feet. The depth humans have been in the ocean can be represented by the inequality
x ≤ 417 . Graph the inequality.

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =