Mason has 140 cupcakes to sell. Each cupcake is covered with one type of frosting. • 1/4 of the cupcakes are covered with buttercream frosting. • 2/5 are covered with chocolate chips and chocolate frosting. • 0.3 are covered with coconut frosting. • The rest are covered with vanilla and colored sprinkles. How many caramel apples are covered with sprinkles

where did you get them? if you picked from the grass, is is probably poisonous.

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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: