uppose approximately 75% of all marketing personnel are extroverts, whereas about 50% of all computer programmers are introverts. (For each answer, enter a number. Round your answers to three decimal places.)

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33

step-by-step explanation: