Suppose that 13 inches of wire costs 78 cents. At the same rate, how much (in cents) will 6 inches of wire cost?

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x