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markrandsdenn
05.05.2020 •
Mathematics
You have been asked to flip a coin for heads or tails and then select a golf ball from a bucket that contains 2 yellow golf balls and 5 white golf balls. List the possible outcomes in the sample space. What is the probability you get tails and select a white golf ball?
Use Y and a number to represent a yellow golf ball and W and a number to represent a white golf ball. Which list below shows the sample space?
A.
{HW1, HW2, HY1, HY2, HY3, HY4, HY5, TW1, TW2, TY1, TY2, TY3, TY4, TY5}
B.
{HY1, HY2, HW1, HW2, HW3, HW4, HW5, TY1, TY2, TW1, TW2, TW3, TW4, TW5}
C.
{HY, HW, TY, TW}
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Ответ:
{HY1, HY2, HW1, HW2, HW3, HW4, HW5, TY1, TY2, TW1, TW2, TW3, TW4, TW5}
The probability you get tails and select a white golf ball is 0.36
Step-by-step explanation:
There are 2 yellow golf balls: Y1 and Y2
There are 5 white golf balls: W1, W2, W3, W4 and W5
Then, the sample space is: {HY1, HY2, HW1, HW2, HW3, HW4, HW5, TY1, TY2, TW1, TW2, TW3, TW4, TW5}
What is the probability you get tails and select a white golf ball?
desired outcomes {TW1, TW2, TW3, TW4, TW5}
number of desired outcomes: 5
number of possible outcomes: 14
probability: 5/14 = 0.36
Ответ:
The area of the notebook that the sticker covers is 128 cm^2
Step-by-step explanation:
The equation for the area of a rectangle should be:
-The height of the stickers measures 16 cm:
-So, if the base is half as long as the height, you divide it by 2:
-Then, you substitute it:
-Result: