Step-by-step explanation:
Maryam scores in paper 1 65% × 120
= 65/100 × 120
= 78 marks of full scores 120 marks
scores in paper 2 80% × 80
= 80/100 × 80
= 64 marks of full scores 80 marks
Answer: (7.27%, 7.55%)
Step-by-step explanation:
As per given , we have
Sample size : n= 392
Sample mean : 
Critical two-tailed z-value for 95% confidence = 
Required confidence interval would be :
Hence, the required 95% confidence interval for the mean percentage share of billing volume from network television for the population of all U.S. advertising agencies : (7.27%, 7.55%)
Start by making an equation.
D is your variable.
12d=1500
Then, divide each side by 12 because there are 12 months.
12d=1500
—- ——
12. 12
d=125
Diana donates $125 per month to a charity. This is because when you have a yearly sum that is paid per month, but you don’t know the per month rate, you divide the yearly amount by 12 because there are 12 months.
I really hope this helps and you get a good grade!!
Answer:
(-2,-3), (-4,-2), (-2,0), (0,3), (1,2)
Step-by-step explanation:
12 = 2*2*3
10 = 5*2
LCM = 5*3*2*2
= 15*4=60
the least common multiple is 60
