(4x10)=40
(2x1)=2
(7x0.1)=0.7
(3x0.001)=0.003
40+2+0.7+0.003=<u> 42.703</u>
Answer:
The answer is "8.74 and 36.46 years"
Step-by-step explanation:
Mean (life-time)=22.6 years
standard deviation= 3.1 years
We must find out how many standard deviations are 95% of the data.
Calculating the lower limit and upper limit:
Limit is 8.74 years to 36.46 years
Answer:
105
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
28/4 is 7