the cost of one soccer ball is 150/6 or 25 dollars.
Answer:
A
Step-by-step explanation:
because proportion is right vertical
Answer:
mean = 2.55
Standard deviation = 1.118
Step-by-step explanation:
Probability of babies who are boys
P = 0.51
Then we have q = 1-p
= 1-0.51
= 0.49
We have n = 5
We calculate the mean as:
np
= 0.51x5
= 2.55
Therefore mean = 2.55
The standard deviation
= √variance
= √npq
= √0.51x5x0.49
=√1.2495
= 1.118
Answer:
sales tax is 11.89745 round if u want
Step-by-step explanation:
i just added 8.5 percent
12,800
cause the hundreths place is at the 7
and the number is 781
if its 50 or over you round up 81 is over so youll make it 800
