7. carlos answered 70% of the questions on his math test
correctly. if there were 150 questions on the test, how many
questions did carlos answer correctly?

answer: 1, 3 and 5 are correct

step-by-step explanation:

5.25 ounces

step-by-step explanation:

divided 3/4 and 6

do your own work and don"t cheat.

step-by-step explanation:

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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