Taking successive discounts of 15% off and then 25% off is the same as taking a one time discount of 40%. Please select the best answer from the choices provided T F

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?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

The total number of dental clinics total for the last 12 months was recorded