Answer:
The geometric mean of 2 and 8 comes out to equal 4.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let X be the lengths of a particular animal's pregnancies
X is N(252, 20)
(a) What proportion of pregnancies lasts more than 262 days?

(b) What proportion of pregnancies lasts between 227 and 257 days?

(c) What is the probability that a randomly selected pregnancy lasts no more than 237 days?
P(X<237) = 0.2266
(d) A "very preterm" baby is one whose gestation period is less than 202 days. Are very preterm babies unusual?

Yes very unusual since probability is very near to 0.
Answer:
3x
Step-by-step explanation:


Answer:
9x^2 - 49
Step-by-step explanation:
Answer:
m=3
Slope of x3-3: \frac{x+3}{3}
Step-by-step explanation:
m=3
Slope of x3-3: \frac{x+3}{3}
Down is the slope
Hope this helps