Answer:
4.0486
Step-by-step explanation:
The margin of error is calculated using 
Where n=60 is the sample size and 
is the population standard deviation.
The critical value corresponding to 95% confidence interval is 
We substitute the values to obtain;
Answer:
1) 4-(-6) = 10
2) -10.3-(-7.79)= -2.51
3) -4+6 1/2= 2 1/2
4) -10.2+4.38= 5.82
5)
Step-by-step explanation:
1) A double - equals positive so change to
4+6=10
2) adding positive to negative makes it less negative
3) just change positions -4 from 6 1/2
4) makes it less negative
5) sorry I hat fractions can't do it
Answer:
13
Step-by-step explanation:
Estimate 5.89 to 6.
5.89 ≈ 6
Estinate 7 1/12 to 7.
7.083 ≈ 7
Estimate the sum.
7 + 6 = 13
Answer:
$22 for popcorn and $8 for pretzels together it would be $30
Step-by-step explanation:
Answer:
The correct answer would be C
Step-by-step explanation:
