Solved by verified expert :18.
What would be the t-value where 0.05 of the values are in
the upper tail?

a.
+1.000
b.
+1.318
c.
+1.711
d.
+2.064

19.
What would be the t-values where 0.10 of the values are in
both tails (sum of both tails)?

a.
–1.000, +1.000
b.
–1.318, +1.318
c.
–1.711, +1.711
d.
–2.064, +2.064

20.
What would be the t-values where 0.95 of the values would
fall within this interval?

a.
–1.000, +1.000
b.
–1.318, +1.315
c.
–1.711, +1.711
d.
–2.064, +2.064

QUESTIONS 24 THROUGH 29 ARE
BASED ON THE FOLLOWING INFORMATION:

The following values have been calculated using the TDIST and TINV
functions in Excel. These values come
from a t distribution with 15 degrees
of freedom.

These values represent the
probability to the right of the given positive values.

Value

t probability

0.95

0.1786

1.15

0.1341

1.20

0.1244

These values represent the t value for a given probability.

Probability

t value

0.20

1.341

0.15

1.517

0.10

1.753

21.
What is the probability of a t-value smaller than 1.20?

a.
0.8756
b.
0.8659
c.
0.1341
d.
0.1244

22.
What is the probability of a t-value larger than 1.15?

a.
0.1786
b.
0.1341
c.
0.1244
d.
0.1500

23.
What is the probability of a t-value between –0.95 and +0.95?

a.
0.1786
b.
0.3572
c.
0.6428
d.
0.8214

24.
What would be the t-value where 0.075 of the values are in
the upper tail?

a.
+1.000
b.
+1.341
c.
+1.517
d.
+1.753

25.
What would be the t-values where 0.80 of the values would
fall within this interval?

a.
–1.000, +1.000
b.
–1.341, +1.341
c.
–1.517, +1.517
d.
–1.753, +1.753

26.
What would be the t-values where 0.10 of the values are in
both tails (sum of both tails)?

a.
–1.000, +1.000
b.
–1.341, +1.341
c.
–1.517, +1.517
d.
–1.753, +1.753