868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.
Answer:
(d) 0.8736
Step-by-step explanation:
Unless you have a table of the normal distribution available, this is a calculator problem. Your calculator, or any spreadsheet, can tell you the probability is ...
P(-1.23 ≤ z ≤ 2.12) ≈ 0.8736
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Hi there!
Conversion: 1 centimeter = 0.01 meter
Answer: 250 centimeters = 2.5 meters
Hope This Helps :)
There is no rate of change, they both represent you burning 400 calories per hour.