1 Lois breeds rats. She was surprised when a white rat with pink eyes was born in a litter of brown rats. She researched to discover that white rat fur and pink eye color
were the result of a mutation.
A mutation means that -
A the genetic information didn't copy correctly
B the mother did not get enough nutrition
C the white rat belonged to another litter
D the white rat had its father's genes only

Lab reagent, hypothesis test. a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl. these six measurements are assumed to be an srs of all possible measurements from solution. they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution. carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.