subject
Mathematics, 22.08.2020 17:01 Jasten

N a certain city, the monthly electricity bills for the month of April followed a normal distribution with a mean of $65.43 and a standard deviation of $9.22. The number of households in the city is 261,500. Rounded to the nearest hundred, what is the expected number of households that paid between $50 and $70?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, serenityburke
Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4
Answers: 2
image
Mathematics, 21.06.2019 15:20, poreally1446
If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?
Answers: 1
image
Mathematics, 21.06.2019 20:30, lunax7x7
Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?
Answers: 1
image
Mathematics, 22.06.2019 02:00, minosmora01
Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens
Answers: 2
You know the right answer?
N a certain city, the monthly electricity bills for the month of April followed a normal distributio...

Questions in other subjects:

Konu
History, 17.11.2019 01:31