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zubka84 [21]
3 years ago
12

The set of life spans of an appliance is normally distributed with a mean 48 and a standard deviation 8 months. What is the z-sc

ore of an appliance that stopped working at 64 months?
Mathematics
2 answers:
sleet_krkn [62]3 years ago
6 0

Answer:

24 months

Step-by-step explanation:

gladu [14]3 years ago
5 0

Answer:

2

Step-by-step explanation:

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Step-by-step explanation:

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<span>In this problem, to find the answer we have to setup a series of ratios that relate the scale to real life distance. We know that 1cm = 2.50km, so that ratio would be 1cm/2.5km. For two towns that are 4.75cm apart on the map, we set a ration of 4.75cm/x km, where x is the actual distance. Now we set the ratios equal to each other and solve for x. 1/2.5=4.75/x where x = 4.75*2.5/1 = 11.875 and rounding up we get 11.88 km. The two towns are actually 11.88 km apart from each other.</span>
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Schach [20]

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alex41 [277]

Answer:

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Step-by-step explanation:

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