Can yu plz answer this inequality 3<1/2x+1

1 answer:

5 0

First you need to change the equation to 3 < x/2 + 1

then we can treat it like a normal equation.

subtract 1 from each side to get 2 < x/2

then multiply both sides by 2 to get rid of the fraction and we have

4 < x and we switch it around to get

x > 4 as our answer! :)

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Step-by-step explanation:

The question is incomplete:

"A random sample of a specific brand of snack bar is tested for calorie count, with the following results: 149, 145,140,160,149,153,131,134,153. Assume the population standard deviation is σ=24 and that the population is approximately normal. Construct a 95% confidence interval for the calorie count of the snack bars."

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