Use a calculator to estimate the limit
picture provided below

b is correct.

Step-by-step explanation:

We are given a limit

Using calculator to find the value of limit.

First we check the limit exist or not.

We have to check left and right hand limit.

For Left hand limit, LHL

For Right hand limit, RHL

LHL=RHL=∞

Hence, b is correct.

just needed some points but try socratic

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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