Part c

in nuuk, what is the average net change in temperature, from the high to the low, in january?

4 °C

Step-by-step explanation:

In Nuuk the average high is -6 °C, and the average low is -10 °C.

Net change is the difference between the high and the low values, here is called average net change because average values of high and low temperatures are used. Then, the average net change is: (-6) - (-10) = 4 °C

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

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