Answer:
54.80 MPa to 55.92 MPa
Step-by-step explanation:
Sample mean fracture strength (x) = 55.36 MPa
Sample standard deviation (s) = 3.99 MPa
Sample size (n) = 196.
The upper and lower bounds for a 95% confidence interval are given by:
The upper and lower bounds of the confidence interval are;
The 95% confidence interval for true average fracture strength is 54.80 MPa to 55.92 MPa
We are multiplying 5/8 by something to get an equivalent fraction. What times 5 equals 10. 2 right? So we multiply the numerator by 2 over 2. This means because we multiplied the numerator by 2 we have to multiply the denominator by 2 as well. 8 x 2=16 so our answer is 10/16 without being simplified. If you need to simplify the answer you would factor out the numbers and divide by 2 over 2 which gets you to 5/8.
Answer:
11
Step-by-step explanation:
7(2e - 1) - 3 = 6 + 6e
14e - 7 - 3 = 6 + 6e
14e - 10 = 6 + 6e
- 6e
8e - 10 = 6
+ 10
8e = 16
÷ 8
e = 2
Hope this helps!
The $3 dollar deposit should be the only one to go onto his bank account statement.
Hope this helped
