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Answer with explanation:</h2>
a) Given : Sample size of students : n =1123
Number of students read above the eighth grade level = 888
Then, Number of students read at or below the eighth grade level =1123-888=235
Then , the sample proportion of tenth graders reading at or below the eighth grade level.:
Since, the best estimate for the population proportion is the sample proportion.
Thus, the estimated proportion of tenth graders reading at or below the eighth grade level = 0.209
b) Significance level :
Critical value :
Confidence level for population proportion:-
Hence, the 90% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level = (0.189,0.229)
Answer:
6 inches
Step-by-step explanation:
3) Because 39/13=3 and 2*3=6.
Answer:
19/50 would be the answer.
Hope this helps!
Step-by-step explanation: