Answer:
A) about 1 pet
Step-by-step explanation:
Total the products of number of pets and their probability.
... 0×0.4 +1×0.3 +2×0.25 +3×0.05
... = 0 +0.3 +0.5 +0.15 = 0.95 . . . . . about 1
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We assume that "3 or more" will be closer to 3 than to 15, a number that would raise the expected value to more than 1.5.
We have two classrooms and seven packages.
This means we need to divide the seven packages in half (two pieces).
7packages ÷ 2 classrooms = 7/2 = 3.5 packages per class
(three and a half packages)
Answer:
x < -3
Step-by-step explanation:
Step 1: Subtract 6 from both sides.
Step 2: Divide both sides by 4.
Therefore, the answer is x < -3.
hope this helps. goodluck
Answer:
V=56
Step-by-step explanation:
times both sides by 7