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3 years ago

9

A bus company counted 32 ticket receipt last friday. The price for a senior ticket is $6.75, and the price for a regular ticket

is $10. The driver collected a total of $297.25 for the day. How many senior tickets and regular tickets were sold?

1 answer:

Vitek1552 [10]3 years ago

7 0

Answer:

25 Regular tickets and 7 Senior Tickets

Step-by-step explanation:

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Refer to the accompanying TI-83/84 Plus calculator display of a 95% confidence interval. The sample display results from using a

nikklg [1K]

Answer:

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Step-by-step explanation:

We have given,

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Mean $\bar{x}=23.69$

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Solution :

We know, The confidence interval is in the format of

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E denotes the margin of error,

$E=\frac{U-L}{2}$

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$E=\frac{25.075-23.305}{2}$

$E=\frac{1.77}{2}$

$E=0.885$

Substitute the value of E and $\bar{x}$ in the formula,

$23.69-0.885$

$22.805$

Therefore, The confidence interval is $22.805$

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