Answer:
(a)0.3303
(b)0.6697
Step-by-step explanation:
Point estimation is the use of sample data to calculate a single value which serves as a best estimate of a given unknown population parameter.
Total Sample=1226
Number who said that they were not confident that the food they eat in country A is safe=405.
The point estimate of those who said that they were not confident that the food they eat in country A is safe is given as 
(a)Point Estimate for p,

(b)Point estimate for q,
1- (point estimate for p)
=1-0.3303
=0.6697
The answer is 660 miles in 15 minutes
you would have to multiply 44 by 15
44 x 15
=660
Answer:
I think its a. (-2,-4)
Step-by-step explanation:
It is less than 5.2, simply because the number is negative.
Answer:
x < -7
Step-by-step explanation:
-4x > 28
-x > 7
x < -7