The random variable X, representing the number of accidents in a certain intersection in a week, has the following probability d
istribution: On average, how many accidents are there in the intersection in a week
1 answer:
Answer:
Average Mean = 1.8
Step-by-step explanation:
Missing:
X:0 1 2 3 4 5 6
P(x): 0.20 0.30 0.20 0.15 0.10 0.05
Computation:
Average Mean [Probability distribution]
∑[P(x) × X]
= 0 x 0.20 + 1 x 0.30 + 2 x 0.20 + 3 x 0.15 + 4 x 0.10 + 5 x 0.05
= 1.8
Average Mean = 1.8
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Irrational, because if you simplify the root V72=6V2
Answer:
Step-by-step explanation:
372 + 1/4*372 = $465
$465 is her new savings and 33% of it is $153.45
$465 + $153.45 = $618.45
So yes she would have enough money to buy a plane ticket to alaska the cost $600
income =$1200
expenditure=$450
saving=$1200-$450
=$750
ratio of income to expenditure is 1200:450
=8:3
ratio of savings to income is 750:1200
=5:8
hope it helps
mark the BRAINLIEST plzz
Answer: 18 c
Step-by-step explanation: since they have the same variables you can easily just add them together
Answer:36
becuse if you maltiply 15 by 3 it makes 45 and you can maltiply 12 by 3 and you will get your answer
