40. the median of the following data is 525. find the values of x and y if the sum
is 100.
325. find the values of x and y if the sum of the frequencies
c. i.
100 -
200
5
200 -
300
300 -
400
12
100
2
400-
500
17
500 -
600
20
600- 700 -
700 800
y 19
800 -
900
900 -
1000
t4
frequency
7

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?