3 years ago

What is the median for 9, 37, 39, 13

Mathematics

2 answers:

8090 [49]3 years ago

6 0

Answer:

i'm not sure

Step-by-step explanation:

Anna35 [415]3 years ago

6 0

Answer:

(13+37)/2 = 25

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Which is an equation of the line with x-intercept 2 and y-intercept 12?

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3 years ago

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2 years ago

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3 years ago

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Trucks in a delivery fleet travel a mean of 80 miles per day with a standard deviation of 30 miles per day. The mileage per day

bulgar [2K]

Answer: 0.1037

Step-by-step explanation:

Given : Mean : $\mu=80\text{ miles per day}$

Standard deviation : $\sigma = 30\text{ miles per day}$

The formula to calculate the z-score is given by :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 97 miles per day ,

$z=\dfrac{97-80}{30}\approx0.57$

For x = 107 miles per day ,

$z=\dfrac{97-80}{30}=0.9$

The P-value = $P(0.57$

$=0.8159398-0.7122603=0.1036795\approx0.1037$

Hence, the probability that a truck drives between 97 and 107 miles in a day = 0.1037

6 0

3 years ago