Hello.
1.49500 + 8.58 +4.98 + 4.99 + 6.78 = 26.82500.
26.82500 - 3 = 23.82500.
4 / 100 = 0.04.
0.04 x 23.82500 = 0.953.
23.82500 - 0.953 = 22.87200.
So your total purchase is 22.87200.
Have a great day! :)
Answer:
32.5cm squared
Step-by-step explanation:
((4+9)/2)·5=32.5
Answer: 95% of all people work between 7 hours and 9 hours per day and It is true.
Step-by-step explanation:
Since we have given that
Mean = 8 hours
Standard deviation = 0.5 hours
According to Empirical Rule,
at 95% confidence, it lies within 2 standard deviations from the mean
so, lower value is given by

upper value is given by

Hence, 95% of all people work between 7 hours and 9 hours per day.
Therefore , it is true.