What does x equal to
Step-by-step explanation:
There is something called the 30-60-90 triangle rule.
It has this ratio: 1: sqrt3 : 2.
As for the other triangle, it has a 45-45-90 triangle rule.
It includes this ratio: 1: 1 : sqrt2
Hope this helps!
Answer:
The number of business students that must be randomly selected to estimate the mean monthly earnings of business students at one college is 64.
Step-by-step explanation:
The (1 - <em>α</em>) % confidence interval for population mean is:
The margin of error for this interval is:
The information provided is:
<em>σ</em> = $569
MOE = $140
Confidence level = 95%
<em>α</em> = 5%
Compute the critical value of <em>z</em> for <em>α</em> = 5% as follows:
*Use a <em>z</em>-table.
Compute the sample size required as follows:
Thus, the number of business students that must be randomly selected to estimate the mean monthly earnings of business students at one college is 64.
He's a silly goober and he likes to joke around
Answer:
18.5
Step-by-step explanation: