Which response lists all the substances below that are COMPOUNDS and not any elements or mixtures? a. carbon monoxide (CO) b. calcium c. sodium d. table salt (NaCl) e. sugar dissolved in water

How many electrons are present in a SINGLE uranium atom with a mass number of 256?

Describe the gas mileage of the worst 2.5% of cars.

The sample IQR is: ___________.

Upload Page 2 of any work here (optional) Take a picture of your handwritten work. Embed your picture by uploading the image from your phone to the computer (like email it to yourself or use Google drive) Click the “images” drop-down in the toolbar above and “upload image” Click the ‘rocket’ and find your image on your computer and embed the image. Careful! HEIC files will not be accepted (iPhone users), they will be counted as a zero.

The cutoff weight for the lowest 20% of steer weights is ______________ pounds.

Use the following scenario for questions 8a – 8e Fuel economy estimates for automobiles built one year predicted a mean of 23.8 mpg and a standard deviation of 7.2 mpg for highway driving. Assume that a Normal model/distribution can be applied. Use the 68-95-99.7 Rule to complete the questions below.

__________% of steers have weights below 1300 pounds.

The relative frequency for the “Subcompact and mini” car type is:  _____________

People with z-scores of 2.5 or above on a certain aptitude test are sometimes classified as geniuses. If aptitude test scores have a mean of 100 and a standard deviation of 26 points, what is the minimum aptitude test score needed to be considered a genius? Show your work.   The minimum aptitude test score needed to be considered a genius is __________ points.