Question A gambling game involves a spinner with the numbers 1 through 25. To play, the player guesses which numbers the spinner
will land on. The table shows the probability of each payout amount (assume that the remaining probability has a payout of
O so that the probabilities add to 1). To the nearest dollar, what is the expected payout of the game?
$180
$4,200
Payout Amount
Probability
$120,000
0.136
0.021
0.0004
Sorry, that's incorrect. Try again?
dollars
7
8
9
y
22

step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)