SOLUTION: 1. A spinner is divided into six equally sized regions. Two of the regions are labeled 6, two of the regions are labeled 2, one region is labeled 1, and the last region is labeled

Algebra.Com
Question 1194238: 1. A spinner is divided into six equally sized regions. Two of the regions are labeled 6, two of the regions are labeled 2, one region is labeled 1, and the last region is labeled 3. The spinner is spun 750 times.
(a) How many times is the spinner expected to land on 6?
(b) How many times is the spinner expected to land on a prime number?
Found 2 solutions by ikleyn, greenestamps:
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
1. A spinner is divided into six equally sized regions.
Two of the regions are labeled 6, two of the regions are labeled 2, one region is labeled 1,
and the last region is labeled 3. The spinner is spun 750 times.
(a) How many times is the spinner expected to land on 6?
(b) How many times is the spinner expected to land on a prime number?
~~~~~~~~~~~~~~~~ 


(a)  2/6, or 1/3 of 750, which is 250 times.    ANSWER



(b)  (2/6) related to regions labeled 2  PLUS  (1/6)  related to region labeled 3. 

           The total  is  2/6 + 1/6 = 3/6 = 1/2.


      1/2 of 750 is 375 times.    ANSWER

Solved.     Easy calculations.


------------


The error is just fixed.



Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!


For tutor @ikleyn...
Check your numbers for part (b)
(there is only 1 region labeled 3)
RELATED QUESTIONS

a spinner has a pointer which can land on one of 3 regions labeled 1,2,3 respectively,... (answered by Fombitz)
The graph of an equation divides the ________ into two... (answered by ikleyn)
If the areas of two regions are equal and the sum of the areas of the regions is 5, what... (answered by edjones)
A random spinner has equal-sized regions numbered 1 through 18. The spinner stops on an... (answered by Alan3354)
A spinner on a wheel of fortune can land with an equal probability on any one of 8... (answered by greenestamps)
The spinner on a wheel of fortune can land with an equal chance on any one of ten... (answered by Theo)
A spinner is divided into 8 congruent regions numbered 1 through 8. The spinner is spun... (answered by stanbon)
The spinner on a wheel of fortune can land with an equal chance on any one of ten... (answered by stanbon)
One spinner has three equally sized sectors labeled R, S, and T. A second spinner has two (answered by rothauserc)