A school board in a large district is investigating whether parents would be willing to extend the school year by 5 days. They will only do it if they are quite confident that more than 50% of parents will support the decision. They conduct a random phone survey of 200 parents and find that 112 of them would be willing to support the decision to extend the school year. Using the hypotheses H,: p = 0.5; H: p>0.5 and a= 0.05, conduct a hypothesis test to see if the school board should extend the school year. Make sure to check conditions and use the p from the null hypothesis when appropriate to do so! a.

Q: How do you know to do this?

A: or you can use Heron's Formula to find the area of the triangle.

Q: Can you explain how you found part b? It does not make sense to me

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Q: Is it possible to write it in a piece of paper for a clearer solution? thank you!

A: The given question can be solved using integration by first applying substitution and then applying…

Q: could you please write this on paper?

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Q: You didn't show the full workings

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Q: Can you explan it better?  I do not understand.

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