<span>solution of a system of linear equations</span>
<span>Given:
xbar = 20 min
standard deviation = 8 min
total sample = 240
Required:
how many gym members are expected to spend 4 min and 36 min on a treadmill today
Solution:
sd</span>² = (∑(x - xbar)²) / N - 1
there are 42 gym members at 4 minutes and 200 gym members in 36 minutes.
Answer: (0,10)
Step-by-step explanation: y=mx+b
y=12.5x+10
0=12.5x+10
10 is y because its on the outside
One and a half gallons. (1.5 gallons)