Samples of size n= 240 are randomly selected from the population of numbers (O through 20) produced by a random-number generator, and the variance is found for each sample. What is

the distribution of the sample variances?

normal (approximately)

skewed to the right

skewed to the left

not enough information provided

i think it is 18

step-by-step explanation:

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step-by-step explanatio89

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720