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:
y=2x^2+1
Step-by-step explanation:
I checked on photo maths
Answer:
Yes you have enough money because with the dicound the crocs are $45.50
Step-by-step explanation:
u have $50 the crocs is $65 but have 30% off
$65 with 30% off is $45.50
Answer:
4.16
Step-by-step explanation:
4.16
because thousanth is 5
Answer:no
Step-by-step explanation:the trafic may slow down or stop
