calculate the failure rate of component having a reliability figure of 0.81 for a period of 400hrs. Assume exponential failure Calculate also the unreliability for 800hrs

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.

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20