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Gemiola [76]
3 years ago
7

There are two different maps of California. The scale on the first map is 1 cm to 20 km. The distance from Fresno to San Francis

co is 15 cm. The scale on the second map is 1 cm to 100 km. What is the distance from Fresno to San Francisco on the second map? Explain your reasoning and your work
***Note: I built two tables in one. There are two scales within this table. Use the first scale to find the actual distance, then use that to find the scaled distance on the second map.
Mathematics
2 answers:
Nastasia [14]3 years ago
8 0

Answer:

sorry I do not know

Step-by-step explanation:

notka56 [123]3 years ago
5 0

Answer:

Sorry I cant help

Step-by-step explanation:

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Step-by-step explanation:

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A sample of n = 4 scores is obtained from a population with a mean of 70 and a standard deviation of 8. If the sample mean corre
jeka57 [31]

Answer:

The value of the sample mean is 78.

Step-by-step explanation:

We are given that a sample of n = 4 scores is obtained from a population with a mean of 70 and a standard deviation of 8.

Also, the sample mean corresponds to a z score of 2.00.

<em>Let </em>\bar X<em> = sample mean</em>

The z-score probability distribution for a sample mean is given by;

              Z = \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

where, \mu = population mean = 70

            \sigma = standard deviation = 8

            n = sample size = 4

The Z-score measures how many standard deviations the measure is away from the mean. After finding the Z-score, we look at the z-score table and find the p-value (area) associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X.

<u>Now, we are given that the sample mean corresponds to a z score of 2.00 for which we have to find the value of sample mean;</u>

So, <em><u>z-score</u></em> formula is given by ;

                  z-score = \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } } = \frac{\bar X-70}{\frac{8}{\sqrt{4} } }

                      2.00 =  \frac{\bar X-70}{\frac{8}{\sqrt{4} } }

                      2.00 =  \frac{\bar X-70}{4 } }

                     \bar X = 70+(2 \times 4)

                     \bar X = 70 + 8 = 78

<em>Therefore, the value of the sample mean is 78.</em>

3 0
3 years ago
Find the surface area of a square prism with a side measure of 6.
Vesnalui [34]
The surface area of any solid is the summation of all the areas of its faces. For a square prism, the surface area is therefore calculated through the equation,
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From the given above, it is stated that the edge of the prism measures 6. Substituting this value to the equation above,
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3 0
3 years ago
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