Find the t critical values using the information in the table. set hypothesis ? df a) ? > 0 0.025 19 b) ? < 0 0.005 30 c) ? < 0 0.250 2 d) ? > 0 0.100 14 Critical Value: A: B: C: D:
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Find the t critical values using the information in the table.
| set | hypothesis | ? | df |
| a) | ? > 0 | 0.025 | 19 |
| b) | ? < 0 | 0.005 | 30 |
| c) | ? < 0 | 0.250 | 2 |
| d) | ? > 0 | 0.100 | 14 |
Critical Value:
A:
B:
C:
D:
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- If Beta and v are rates, find z(t).Consider the value of t such that the area to the left of −|t|−| plus the area to the right of |t| equals 0.05 Step 2 of 2 : Assuming the degrees of freedom equals 4, select the t-value from the t-distribution table.The diameter of a metal shaft used in a disk-drive unit is normally distributed with mean 0.2508 in. and std. dev. 0.0005 in. The specification on the shaft have been established as (0.25-0.0015 in, 0.25+0.0015in) What fraction of the shafts produced conform to specifications? a). 0 b). 0.08 c). 0.16 d). 0.92
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