Select the correct answer. HELP PLZ 13+points
A spinner is divided into eight equal sections marked with eight different colors. Which situation could be represented by this simulation?
A.
Lynda has to select one of three students from her class.
B.
Hazel is selecting one pup from a group of ten puppies at a pet adoption center.
C.
Xavier has to select one novel from a collection of five English novels, two Spanish novels, and one French novel.
D.
Collin needs to decide whether to take a yoga class, a dance class, or swimming lessons.

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

With finding limits of multi variable !

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.