Zoran âgé de 15ans se renseigne sur les tarifs d'une piste de karting Zoran envisage de faire 1h de karting par mois pendant 10mois quel sera le montant de ça dépense ? Zoran dispose de 300euros comnien de séances de karting pourra-t-il faire dans l'année

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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:

320ft

step-by-step explanation:

120 divided by 3 equals 40

40 times 4=160

160 times 2=320

the correct answer is c) 2.