Answer:
the 90% of confidence intervals for the average salary of a CFA charter holder
(1,63,775 , 1,80,000)
Step-by-step explanation:
<u>Explanation</u>:-
random sample of n = 49 recent charter holders
mean of sample (x⁻) = $172,000
standard deviation of sample( S) = $35,000
Level of significance α= 1.645
<u> 90% confidence interval</u>


on calculation , we get
(1,63,775 , 1,80,000)
The mean value lies between the 90% of confidence intervals
(1,63,775 , 1,80,000)
Answer:
B
Step-by-step explanation:
Answer:
the answer is the top right one
Answer:
x
2
+
6
x
+
8
=
3
Step-by-step explanation:
To write an equation in standard form, move each term to the left side of the equation and simplify.
a x 2 + b x + c = 0
Move 3 to the left side of the equation by subtracting it from both sides.
x 2 + 6 x + 8 − 3 = 0
Subtract 3 from 8
. x 2 + 6 x + 5 = 0