Answer:
The answer is 17
Hope this helps!
Mark me brainliest if I'm right :)
Answer:
We breathe in air which has a higher concentration of oxygen than carbon dioxide and we breathe out air with a higher concentration of carbon dioxide. Both the gases are present in the inhaled and the exhaled air.
Answer:
a) 99.7%
b) 68%
Explanation:
= Mean = 168 cm
= Standard deviation = 6 cm
a. 150 cm and 186 cm


They vary by 3 standard deviations. So, 99.7% of men are between 150 and 186 cm
b. 162 cm and 174 cm


They vary by 1 standard deviations. So, 68% of men are between 162 and 174 cm