Normal Distribution and Z scores

The SAT Mathematics are know to follow an approximate normal distribution with a mean of 500 and a standard devation of 100. The ACT Mathematics are known to follow an approximate normal... more

04/30/19

Normal Distribution

Problem:Mr. Z gave a test in Physics. Scores for the class are: 25, 53, 70, 33, 26, 71, 54, 31, 51, and 72. Assume the 10 scores from this test are normally distributed.A. Find the Median, Mean,... more

02/05/19

how many children tickets were sold and how many adult tickets were sold?

Tickets to a new play at $5.00 for children and $8.00 for adults. If 255 tickets are sold and the revenue from ticket sales is $1815.00, how many children tickets were sold and how many adult... more

Math Banquent Question

A total of 586 people attended the banquet. We collected a total of 9,423.70. Student tickets cost 12.95 and Adult tickets cost 17.95. Find the total number of student and adult tickets sold

02/04/19

86 texts were sent over the weekend. Sue had 9 less than Milan. Tom had three times as many as Milan.

How many texts did each person have?

09/21/18

On the first day of ticket sales, the school sold 3 adult tickets and 9 student tickets for a total of $75. The second day, the school sold $67 by selling 8 adu

On the first day of ticket sales, the school sold 3 adult tickets and 9 student tickets for a total of $75. The second day, the school sold $67 by selling 8 adult and 5 student tickets. What is the... more

07/26/18

Tickets to a new play at $5.00 for children and $8.00 for adults. If 255 tickets are sold and the revenue from ticket sales is $1815.00,

Tickets to a new play at $5.00 for children and $8.00 for adults. If 255 tickets are sold and the revenue from ticket sales is $1815.00, how many children tickets were sold and how many adult... more

05/16/18

If m and r are two numbers on a number line, what is the value of r?

1) The distance between r and 0 is 3 times the distance between m and 0.(2) 12 is halfway between m and r.

05/16/18

Is x + y positive?(1) x - y is positive.(2) y - x is negative.

A.if statement (1) by itself is sufficient to answer the question, but statement (2) by itself is not;B. if statement (2) by itself is sufficient to answer the question, but statement (1) by itself... more

A total of 761 tickets were sold for the school play. They were either adult tickets or student tickets. There were 61 more student tickets sold than adult tick

i don’t know how to do this someone please help me thank you that would be nice

05/14/15

Find how many of each ticket was sold

There were 200 tickets sold for a volleyball game. Tickets for students were $2 each and for adults were $3 each. The total amount collected was $530. How many of each type of ticket were sold?

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