Car insurance companies want to keep track of the average cost per claim. The current data in use for Auto Insurance R Us is an average of $2,200 for each claim with a standard deviation of $500. With this average, the company can stay competitive with rates but not lose money. However, the statistician for the company believes that the cost of the average claim has increased. He pulled 40 recent claims and found the average to be $2,350. Which most restrictive level of significance would suggest that the company should raise rates? Upper-Tail Values a 5% 2. 5% 1% Critical z-values 1. 65 1. 96 2. 58 1% 2. 5% 5% 10%.
Answer:
Thank you....... I guess
Step-by-step explanation:
Answer:
show work to what problems
Step-by-step explanation:
im in confusion
Answer:
B
Step-by-step explanation:
analyze picture
com loses 1/4 of its value after every year it is purchased
v = original price times 1/4 x times(x represents)
v = 800*(3/4)^x
so, if x is five, then t is
800*(3/4)^5= 189 27/32