Answer:
49
Step-by-step explanation:
Given:
Width = 0.4
Let's take the z value of 95% which is = 1.96
Let's assume population proportion p1 and p2 = 0.5
For margin of error E, the relation between the width and margin of error is 2E.
i.e 2E = 0.4
E = 0.2
To find the sample size, n, let's use the formula :
= 48.02
≈ 49
Answer: 2.45
Step-by-step explanation:
12.25/5 = 2.45
Answer:
i believe it would be the las one im pretty sure but not 100% so hope it works and let me know if im right or not but again hope this helps
step-by-step explanation:
700 dollars, what you do is divide 511 by 73 then multiply the number by 100.
Answer:
RS = 4.9
Step-by-step explanation:
Because the sides involved are hypotenuse and adjacent to the angle we use Cosine:
RS = 4.9