Diedre has a litter of 8 new puppies in a basket. The weight of the basket and the puppies combined is 2,977 grams. The weight of the basket alone is 1,077 grams.

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?

The reflexive property of congruence lets you say that ∠pqr ≅

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin