Answer:
v=2
Step-by-step explanation:
5v=10
v=2
Answer:
88.26 square yards
Step-by-step explanation:
Big rectangle: A = 4 x 12 = 48
Quarter circle: A = 1/4 x 3.14 x 6^2 = 28.26
Small rectangle: A = 2 x 6 = 12
Answer:
24 square units
Step-by-step explanation:
Answer:
Step-by-step explanation:
1) The confidence interval is calculated as the following


Hence, the confidence interval is 
11) Under two sid t-tailed test, the null hypothesis

Against the alternative hypothesis

Under null hypothesis

The degree of freedom is n - 1 = 140
From the t - table at 5% level of significance under two - tail is 1.96
Since , calculated value is lowe than the tabulated value, we do not reject the null hypothesis.