Step-by-step explanation:
A + b
Putting value of a and b
9 + (-24)
9 - 24
= - 15
Answer:
4% of all adults go to a health club at least twice a week
Step-by-step explanation:
- the proportion of adults who belong to health clubs is 10% that is 0.10
- the proportion of these adults (health club members) go to the club at least twice a week is 40%, that is 0.40.
Thus, the proportion of all adults go to a health club at least twice a week is
0.10 × 0.40 = 0.04, that is 4%
Answer:
Mean = 7
Median = 8
Mode = 3
Range = 9
Step-by-step explanation: