Steve's average golf score at his local course is 93.6 from a random sample of 34 rounds of golf. assume that the population standard deviation for his golf score is 4.2. the margin of error for a 95% confidence interval around this sample mean is

 The margin of error for a 95% confidence interval around this sample mean is 1.412.

Step-by-step explanation:

We know that the formula to find the margin of error is given by :-

, where = population standard deviation

n= sample size , z* = critical z-value as per confidence level.

As per given , we have

=4.2

n= 34

By z-table , for 95% confidence level : z* = 1.96

Then, the margin of error will be :

Hence, the margin of error for a 95% confidence interval around this sample mean is 1.412.

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.