Robby scored 4 goals in his soccer game his team scored 9 goals in the team robby friend scored 2 goals how mony goals did the rest of the team scored

The rest of the team scored 3 goals.

Step-by-step explanation:

If the entire team scored 9 goals and Robby scored 4, 9-4=5

If his friend scored 2 goals, 5-2=3.

The rest of the team scored 3 goals.

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: