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CASLAN 56 from 67890 then divide it by 5 then you need to X the answer by 67 and then -78 then the next answer you need to take from 10963 and divide it by 6 NOW YOU NEED TO x that answe by 457 and take away 400 from it and X by 16 and again start from the beggining 56 from 67890 then divide it by 5 then you need to X the answer by 67 X by 56 - 7 +90/by1234 -890X567 divide by 67

Step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

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: