Chet is applying to both nypd and csi. the probability that he gets into nypd is 0.6. the probability that he gets into csi is 0.7. the probability that he gets into both is 0.4. what is the probability that he gets in to only nypd?
• 0.1
• 0.2
• 0.3
• 0.4

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?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section