Unit test
you might need:
calculator
a website offers a coupon to 50% of its visitors, selected at random, each day. yasemin visits the website
for 4 days
what is the probability that yasemin will not be offered a coupon on at least one of the days she visits the
website?
round your answer to the nearest hundredth.
p(at least one day without coupon)
show calculator
:
report a problem

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

17 in long 1.3 ft wide and 8in high what is the volume

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.