Answer:
1/4
Step-by-step explanation:
hope this helps yoi
69 out of 100 because if you turn 3/10 into a fraction with a like denominator as 39/100 you get 30/100 and then you add 39 and 30 and get 69/100
Answer:

Step-by-step explanation:
1) regroup term.

2) Simplify 1/2 ( 8x - 4 ) to 8x - 4/2.

3) Factor out the common term 4.

4) Simplify 4( 2x - 1 ) / 2 to 2( 2x - 1).

5) Expand by distributing terms.

6) Remove parentheses.

6) Collect like terms.

8) Simplify.

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Answer:
Estimate of the standard error of the mean = 0.38 lb
Step-by-step explanation:
We are given the following in the question:
Sample mean,
= 10.87 lb
Sample size, n = 131
Standard deviation, σ = 4.31 lb
We have ti find the estimate of the standard error of the mean.
Formula for standard error:

Putting values, we get,

0.38 lb is the standard error of the mean.