He Internal Revenue Service reports that the mean federal income tax paid in the year was 8040. Assume that the standard deviation is 4900 . The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law. What is the probability that the sample mean tax is less than 8200 ? Round the answer to at least four decimal places.

What is an equation of the line that passes through the point (-2,3) and is parallel to the line whose equations is y=3/2x-4? i am stuck between y=3/2x or y=3/2x+6 : (

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?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12