Markus receives the same amount of money from his grandfather for one week. After the first day he received $5. After the second day
he had received $10 total, and after the third day he had $15. If this
continues, how much money will Markus have by the end of the 7 day
week?

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 spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

Which of the following is the true for f(x) = 5cos