Answer:
SE = 0.025
Step-by-step explanation:
We are given;
Sample mean; x¯ = 14.52
Sample standard deviation; s = 0.075
Sample size; n = 9
Now,formula for standard error of sample mean is;
SE = s/√n
SE = 0.075/√9
SE = 0.075/3
SE = 0.025
Answer:
x=2 or x=−6
Step-by-step explanation:
Number of weeks in a year: 52
Weeks in 7 years: 52 x 7 = 364
Final amount = Initial amount x (1 + interest)^(time period)
Final amount = 10,250 x (1.09)³⁶⁴
Final amount = $4.3 x 10¹⁷
Avg. speed Joanna runs: 7.5km/h
how much she runs everyday: 15km
15km/7.5= 2 hours of running time everyday
She leaves at 8:30, comes back at ?
8:30+ 2:00= 10:30
Joanna arrives back at 10:30a.m.
Answer:
0.635
Step-by-step explanation:
1/4 x 2.54 = 0.635
:)