The table below shows the scores on a science test. John
75 Brett
80
Elizabeth 90 Cindy
100
Wake
75 Kenji
85
Rick
80 Joy
80
Raul
90 Suni
85
Find the standard deviation. Round to the nearest tenth when necessary.
a. 53.3
C. 6
b. 8.2
d. 7.3

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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42.4

step-by-step explanation:

convert to decimal

step-by-step explanation:

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