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3 years ago

How to find z statistic for test?

1 answer:

3 0

The z-score is calculated by the formula (x - mu)/sigma, where x is the value, mu is the mean, and sigma is the standard deviation.

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Positive integers greater than -6 but less than +21

Nina [5.8K]

Step-by-step explanation:

Inequality to describe problem:

$- 6 < x < 21$

x represents the unknown integer(s).

Integers are positive or negative numbers that don't have a fraction, or a decimal.

Positive integers that work in the inequality:

$- 6 < 1< 21$

$- 6 < 2 < 21$

$- 6 < 3 < 21$

$- 6 < 4 < 21$

$- 6 < 5 < 21$

$- 6 < 6 < 21$

$- 6 < 7 < 21$

$- 6 < 8 < 21$

$- 6 < 9 < 21$

$- 6 < 10< 21$

$- 6 < 11 < 21$

$- 6 < 12 < 21$

$- 6 < 13 < 21$

$- 6 < 14 < 21$

$- 6 < 15 < 21$

$- 6 < 16 < 21$

$- 6 < 17 < 21$

$- 6 < 18 < 21$

$- 6 < 19 < 21$

$- 6 < 20 < 21$

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 work out as positive integers.

7 0

2 years ago

Find a whole number between 9 4/9 and the square root of 144

postnew [5]

First, we'll want to write out the equation
$9 \frac{4}{9} < n < \sqrt{144}$

then reduce what we can
$9 \frac{4}{9} < n < 12$

so this means n can equal any whole number between 9 4/9 & 12, which gives us the options of {10,11}

$n = 10 \: or \: 11$