Answer:4 feet and 3 inches
Step-by-step explanation:
A confidence interval for the true mean SAT score of the graduating high school seniors will be (496; 536)
<h3>What is a confidence interval?</h3>
A confidence interval (CI) is a range of estimates for an unknown parameter in frequentist statistics.
Mean score ± margin of error
Margin of Error = 20
Mean SAT score = 516
Hence,the confidence interval will be:-
= 516 ± 20
Lower boundary = 516 - 20 = 496
Upper boundary = 516 + 20 = 536
To know more about confidence intervals follow
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The answer might be 1/30 ( one over 30)
Answer:
x+6>1/2y
Step-by-step explanation:
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