1200 employees of a company were surveyed to find out whether they were satisfies with the company's insurance policy. the survey showed that 80% of the respondents were not satisfied with the policy.
the standard error of the proportion is _%
the number of people who are satisfied with the policy if between _% and _%
all answers are appreciated you

Answer with explanation:

Sample Size = 1200

it is also given that 80% of the respondents were not satisfied with the policy,Means 20% of the respondents were satisfied with the policy.

80% of 1200=960

20% of 1200 =240

Standard error of the proportion

= 0.0115 (Approx)

=0.0115×100

=1.15%

→→20% of the respondents are satisfied with the policy.

So, the number of people who are satisfied with the policy is between 20-1.15=18.85% and 20+1.15=21.15% that is (18.85%,21.15%).

50-60=10

step-by-step explanation:

16 is the absolute value

step-by-step explanation: