The population proportion for a certain characteristic is 0.28. In a sample of 100 people, 25 had that characteristic.
Which equation correctly describes the point estimate?
O A. p = 0.25
O B. P = 0.25
O c. p = 0.28
O
D. p = 0.28

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

muyb ajo

step-by-step explanation:

jegosu

step-by-step explanation:

im not sure what the answer is

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629