Answer:
Parallelogram
Step-by-step explanation:
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Least Common Factor(LCM) of 5 and 7: 35
7*
5=35
5*
7 = 35
Factor of 5 and 7
3/7 + 3/5 = 15/35 + 21/35 = 36/35 =
Answer:
+/- 1.9983
Step-by-step explanation:
The critical values for a confidence interval for the population mean, with population standard deviation not known, are obtained from the student's t distribution.
The sample size is given as 64. The degrees of freedom will thus be;
sample size - 1 = 64 - 1 = 63
The confidence level is given as 95%. The level of significance will thus be;
100 - 95 = 5%.
The area in the right-tail will thus be 2.5%. Therefore, we looking for a t-value such that the area to its right is 2.5% and the degrees of freedom being 63. From the t-tables we have;
+/- 1.9983
Answer: 15.00
Step-by-step explanation:
If you add 8.50 and 8.50 you get 17.00 and subtract 6.5% to it and you get 15.00