Answer:
80
Step-by-step explanation:
8+6^2×2
8 + 36 × 2
8+72
80
Answer:
x - 5
Step-by-step explanation:
Answer:
The probability that no more than more than 11 of them need correction for their eyesight is 0.00512
No, 11 is not a significantly low low number of adults requiring eyesight correction .
Step-by-step explanation:
A survey showed that 77% of adults need correction for their eyesight.
If 22 adults are randomly selected, find the probability that no more than more than 11 of them need correction for their eyesight.
n =22
p = 0.77
q = 1-p = 1- 0.77=0.23
We are supposed to find 

Formula : 

Using calculator

So, The probability that no more than more than 11 of them need correction for their eyesight is 0.00512
No, 11 is not a significantly low low number of adults requiring eyesight correction .
Answer: The car can travel 225 miles on 6 gallons of petrol.
It's this graph. You didn't give me any options in the question.