Hello. the answer to this is 13.603
you will do 20.56-15+8.043
have a nice day
Answer:
-6,9 I believe
Step-by-step explanation:
Im pretty sure
Answer:
For random samples of 100 seniors, 68% of the sample means fall between 340 and 520
Step-by-step explanation:
As a property of normal distribution, 68% of sample means fall between mean - sigma(430 - 90 = 340) and mean + sigma (430 + 90 = 520) (here, sigma is standard deviation).
Hope this helps!
:)
Step-by-step explanation:
make 27 in power of 3
use the law of indices
Put both values into a ratio
P:B
28:79
