Use the following sample to estimate the population proportion of american citizens who are currently unemployed.
cities
employed
unemployed
phoenix, az
1,017
46
jackson, ms
649
22
dallas, tx
2,715
319
sacramento, ca
919
73

a.
7%

b.
8%

c.
80%

d.
92%

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .