Answer:
3
Step-by-step explanation:
27 km
9 km every hour
so 27/9=3
X= -1 and -11
Put -1 and -11 in for x. The answer comes out 6
Answer:
MY friend the anwser is A I hope this will help plz mark me brainliest
Step-by-step explanation:
<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.