The weekly mean income of a group of executives is $1,000 and the standard deviation of this group is $100. the distribution is normal. what percent of the executives have an income of $925 or less? group of answer choices

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

The area of a circle is equal to 1 dm². find the radius of the circle.

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?