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AleksAgata [21]
3 years ago
13

you are saving $30 each month. you have a goal to accumulate $700 in savings. how long will it take you?

Mathematics
2 answers:
allsm [11]3 years ago
7 0
It will take you 23 1/3 months or rounding 23 months the way you get the answer is you is you divide the goal over the amount of money each month 700/30.
MrMuchimi3 years ago
5 0
$700 ÷ $30 = approximately 23 months
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Part b

We want this probability:

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And we can use the cumulative distribution function given by:

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And replacing we got:

P(X\leq 7) = F(7) = \frac{7-4}{11-4}= 0.4286

Part c

We want this probability:

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And we can use the CDF again and we have:

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Part d

We want this conditional probabilty:

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And we can find this probability with this formula from the Bayes theorem:

P(X >5 | X \leq 7)= \frac{P(X>5 \cap X \leq 7)}{P(X \leq 7)}= \frac{P(5

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