The cost of textbooks per semester for a full-time college student is normally distributed with an average of $500 and a standard deviation of $100. Approximately what percent of full-time college students had textbook costs this semester that were between $400 and $600? 99.7%

Q: Can. Sovle all of them

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A: Function is said to be increasing if on increasing input value of varaible x, corresponding…

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Q: 16) 34 59

A: The objective is to find the value of x

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A: Answer is below

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A:

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A:

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A: Draw a perpendicular line PO. Join OT. To find OT=radius. Given PN = PJ + JN= 8+4=12, ON=4 ,PT=12

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A: Note: Since you have asked multiple questions, we will solve the first three question for you. If…

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A:

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A: The number of people is 7.