Answer:
12.....
Step-by-step explanation:
yeah that one
According to the Empirical Rule, 68% of data lies within 1 std. dev. of the mean. Thus, between z=0 and z=1 lie half of that, or 34%, of the data.
Using a calculator for a more precise answer:
normalcdf(0,1) = 0.3413 (answer)
Step-by-step explanation:
You'll get a quadratic equation so if the question allows, use your calculator to find the answer. Sorry if my writing is messed up