For a standard normal distribution, find: P(Z < c) = 0.2162
Find c rounded to two decimal places.

Chip worked at the animal shelter for 6 hours each week for several weeks. he worked for a total of 42 hours. which of the following can be used to find the number of weeks chip worked at the animal shelter?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Indicate the formula for the following conditions: p^c(n,r)=