Answer:
2.5 : 2
Step-by-step explanation:
Interval <-1;1>, which means that this function can take values from interval <-7;-1>. The minimum value is -7.
Answer:
The answer to 36 is -18
Step-by-step explanation:
x=-18 because 3×(-6)=(-6×-6) cancels
Answer:
a. Only 68% of the students will fall in the range of 10- 2 and 10 + 2 hours.
Step-by-step explanation:
He appies the empirical 68-95-99.7 rule, where 68% of the data is expected to be within ne standard deviation from the mean, to the right and to the left.
Half of this (68%/2=34%) will be between the mean and one deviation standard to the right. This is between 10 hours and 10+2=12 hours.
The right answer is:
a. Only 68% of the students will fall in the range of 10- 2 and 10 + 2 hours.
