3. A study was done using a random sample of n = 25 expectant mothers to see if an experimental supplemental diet for the mothers will increase birth weights on average. The average birth weight
of
the n=25 babies whose mothers participated in the study was a = 8 pounds. Find the probability
that the sample mean has a value of 8 or greater.

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Can you me find the missing length. i attached an image.