Why was new orleans vulnerable to flooding when katrina struck?
a.
the city is built on an island.
b.
there are no safeguards between the city and the sea.
c.
much of the city is below sea level.
d.
katrina struck with almost no warning.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain