Answer:
(B) The correct interpretation of this interval is that 90% of the students in the population should have their scores improve by between 72.3 and 91.4 points.
Step-by-step explanation:
Confidence interval is the range the true values fall in under a given <em>confidence level</em>.
Confidence level states the probability that a random chosen sample performs the surveyed characteristic in the range of confidence interval. Thus,
90% confidence interval means that there is 90% probability that the statistic (in this case SAT score improvement) of a member of the population falls in the confidence interval.
Answer:
30 seconds
Step-by-step explanation:
10x10=100 3x10=30
Answer:
$115.36
Step-by-step explanation:
Given data
P=$103
r=1.9%
t= 6 years
The expression for the amount is given as
substitute
Hence the final amount is $115.36
<span>The perimeter is the sum of the side lengths, or x+y+z.</span><span> </span><span>The perimeter is 67.5 inches. </span>
Answer:
1000÷50%=2000
Step-by-step explanation:
hope it helps
