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3 years ago

Is –8 − –95 positive or negative?

Mathematics

1 answer:

lana66690 [7]3 years ago

7 0

Answer:

87, which is positive

Step-by-step explanation:

-8 --95

Subtracting a negative is like adding

-8 +95

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2 years ago

Data from the U.S. Department of Education indicates that 59% of business graduate students from private universities had studen

san4es73 [151]

Answer: The mean of this distribution = 61.95

The standard deviation of this sampling distribution (i.e., the standard error= 0.048

Step-by-step explanation:

Given : Data from the U.S. Department of Education indicates that 59% of business graduate students from private universities had student loans.

i.e. proportion of business graduate students from private universities had student loans : p=0.59

sample size : n=105

Then , the mean of the distribution is given by :-

$\mu= np = (105)(0.59)=61.95$

∴The mean of this distribution = 61.95

Then standard deviation of this sampling distribution is given by :-

$\sqrt{\dfrac{p(1-p)}{n}}\\\\=\sqrt{\dfrac{(0.59)(1-0.59)}{105}}\\\\=\sqrt{0.00230381}\\\\=0.047998015832\approx0.048$

∴The standard deviation of this sampling distribution (i.e., the standard error= 0.048

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3 years ago