Answer:
c < 4
Step-by-step explanation:
whenever you divide or multiply an inequality by a negative it is a rule that you must reverse the inequality symbol
so -c > -4 means you must divide or multiply by a negative one to get 'c' by itself; therefore it becomes c < 4
Answer:
F=1
Step-by-step explanation:
8=8x1
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.
1/4 pound x 5 days= 1 1/4 pounds (1.25)
