What is the answer to this it is a difficult question to me

The answer is A because the whole is 5 and he needs 2

So you convert it into a fraction and you get 2/5

THE ANSWER IS A

Can you sub 2 this channel please! Also can you like the video that there is?

h t t p s : / / w w w . y o u t u b e . c o m / c h a n n e l / U C F H b 0 O V W J P q p a N a M m u 3 k I L w

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

answer: 8d

step-by-step explanation:

45+5= 50+5=55+5=60