There are two projects A and B which cost $1000 and $900 respectfully and generate the next cash flows over the next five years.
Project A Project B
100 350
200 350
300 350
500 350
500 350
What project is most profitable if the rate of return is 12%?

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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.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?