Break it off where the triangle goes into a square/ rectangle
Answer:
d. The population standard deviation is known.
Step-by-step explanation:
T-distribution or Z-distribution, which to use?
If we have the population standard deviation is known, we use the z-distribution.
Otherwise, if we only have the standard deviation for the sample, we use the t-distribution.
Which of the following is not appropriate to use the t-confidence interval for
When the population standard deviation is known, so letter d.
Answer:
Step-by-step explanatioThe chosen topic is not meant for use with this type of problem. Try the examples below.
2
(
x
2
−
1
)
=
16
,
(
0
,
4
)
8
=
2
(
3
x
+
3
)
2
,
(
−
1
,
3
)
x
(
x
+
4
)
=
24
,
(
−
2
,
9
)
n:
Answer:
6 dollars per hour
Step-by-step explanation:
We can set up and solve an equation to answer this question. For this problem, let x stand for the amount he earned per hour. The equation that represents this situation is 3.2x + 4.3x = 45. The first term represents monday and the second represents tuesday. When these add up they should equal 45 because that is the total amount he made. To find his pay per hour, solve for x.
First, combine the like terms
Next, divide both sides by 7.5
Answer:
9, if you're asking for only the number of it. But If it needs more then please elaborate.
Step-by-step explanation:
4×9+7×9=(4+7)×9
36+63=11*9
99=99
Order Of Operation Helps!
