Answer:
Step-by-step explanation:
Given that
sample size n = 55: x bar = 654.16 and s = sample sd = 162.34
Std error = 162.34/sqrt 55 = 21.889
For 95% CI we can use t critical value as population std dev is not known.
df = 54
t critical = 2.004
Margin of error = 2.004 *21.889 = 43.866
Confidence interval lower bound = 654.16-43.866 =610.294
Upper bound = 654.16+43.866=698.026
Confidence interval rounded off at 95% = (610.29, 698.23)
Answer:
8.38 inches (rounded up to the nearest hundredth)
Step-by-step explanation:
mEF = 60°
Diameter = 16 inches
Arc length EF is given by:
EF = 
× 2πr
Radius = 16 inches ÷ 2 = 8 inches
EF = 
× 2π(8)
EF = 8.38 inches (rounded up to the nearest hundredth)
(1/3+1/2)-(5/6-3/4)=
1/3+1/2-5/6+3/4=
4/12+6/12-10/12+9/12=
10/12-1/12=
9/12=
3/4
Answer:
I think you forgot to attach the file...
Step-by-step explanation:
