Answer:$237.53
Step-by-step explanation:If you add 25.56+3 that will give you 28.56.Then if you add 28.56+75 that will give you 103.56.Then if you add 103.56+1.85 that will give you 105.41.Finally, you add 28.56+103.56+105.41 that will give you 237.53.And that's your answer.
Answer: c. 
Step-by-step explanation:
The confidence interval for population mean is given by :-

, where n= sample size
= sample mean.
z*= Critical value.
= population standard deviation.
As per given , we have
n= 50

Also, we know that the critical value for 95% confidence interval : z*= 1.96
Then, the 95% confidence interval (CI) to estimate the true average score of golfers on this particular course will be :
(substitute all the value in the above formula.)
Hence, the correct option is c. 
Answer:
0.0259,0.0406
Step-by-step explanation:
Given that in a poll taken in December 2012, Gallup asked 1006 national adults whether they were baseball fans: 48% said they were. Almost five years earlier, in February 2008, only 35% of a similar-size sample had reported being baseball fans.
a) p is the proportion of national adults who are baseball fans.
b) For 2012 poll, p=0.48
Std error = 
Margin of error at 90% = 1.645 * std error
= 0.0259
c) Margin of error is the admissible limit on either side of the mean where the sample mean can lie
d) Margin of error would be larger for 99% because critical value 2.58 >1.645
e) Margin of error 99% = 
Answer:

Step-by-step explanation:



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