The <span>accurate estimation is 55</span><span />
Answer:
75%
Step-by-step explanation:
9 ÷ 12 = 0.75 = 75%
Answer:
4
Step-by-step explanation:
19 = 7 + 3r
12 = 3r
4 = r
Answer:
The confidence interval is
Step-by-step explanation:
From the question we are told that
The sample size is n = 118
The number that gave the correct answer is k = 44
Generally the sample proportion is mathematically represented as

=> 
Generally given that the confidence level is 95% the level of significance is mathematically represented as

=> 
Generally from the normal distribution table the critical value of
is
Generally the margin of error is mathematically represented as

=> 
=> 
Generally 95% confidence interval is mathematically represented as

=>
=>
Answer:
7000
Step-by-step explanation: