According to the Census Bureau, 13% of American adults ( aged 18 and over) are Hispanic. An opinion poll plans to contact an SRS of 1200 adults. a. What is the mean number of Hispanics in such samples? What is the standard deviation? b. Should we be suspicious if the sample selected for the opinion poll contains 15% Hispanic people? Compute an appropriate probability to support you answer.

What is the rotational symmetry of a wheel

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?