The brain volumes ​(cm cubed ​)
of 50 brains vary from a low of 908

cm cubed

to a high of 1492

cm cubed
.
Use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 176.5

cm cubed
​,
assuming the estimate is accurate if it is within 15 cm cubed
.

Ineed with number 6 , explain how to get 1978

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

2/3(-6y+9x) expand each expression using the distributive property