Question: Please explain Question 7 In a survey about time spent per week doing homework, it was found that 20% of the students spend between 0-2

Please explain

Question 7 In a survey about time spent per week doing homework, it was found that 20% of the students spend between 0-2 hours, 30% spend between 2 and 4 hours, remaining spent more than 4 hours doing homework? If 90 students said that they spend between 2 and 4 hours, how many students spend more than 4 hours per week for homework? 150 300 450 60

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Please show work. D Question 8 4 pts In a survey about time spent per week doing homework, it was found that 20% of the students spend between 0-2 hours, 30% spend between 2 and 4 hours, remaining...

In a survey about time spent per week doing homework, it was found that 20% of the students spend between 0-2 hours, 30% spend between 2 and 4 hours, remaining spent more than 4 hours doing homework?...

55% . . . e.centennialcollege.ca 1:54 PM Fri Apr 15 POSITIVE z Scores .09 Table A-2 (continued) Cumulative Area from the LEFT .08 .05 .06 .07 4 AppA 04 .5359 .02 .03 .5239 .5279 .5319 5199 Z .00 .01...

1.0 Points Question 1 of 23 A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test...

Question: 5. A small company decides to offer a new online shopping feature. The company's president wants to offer a free gift card to customers who make a $200 minimum purchase online. These...

Please explain In a survey about time spent per week doing homework, it was found that 20% of the students spend between 0-2 hours, 30% spend between 2 and 4 hours, remaining spent more than 4 hours...

BA 1605: Midterm Recap (Due: Feb. 27, 2015) Name _____________________________ 50 Student ID _____________________________ Section 01B 10:00~11:20 am Section 02B 01:00~02:20 pm [Questions 4 ~ 7] The...

Question: 5. A small company decides to offer a new online shopping feature. The company's president wants to offer a free gift card to customers who make a $200 minimum purchase online. These...

The profit earned by a business in 2022 was 72,500. The proprietor injected new capital of 8,000 during the year and withdrew goods for his private use which cost 2,200. If net assets at the...

Let M be an (n 1) -dimensional manifold in Rn. Let M (Є) be the set of end-points of normal vectors (in both directions) of length Є and suppose Є is small enough so that...

ABC is an isosceles triangle. AB = AC. AB is parallel to DE. Angle ABC = 68 Work out the size of angle EDC. Give a reason for your answer. E B C 68 D A

Which of these is an example of word of mouth? A retailer tells other retailers that he strongly recommends buying merchandise from a particular leather - goods manufacturer in Detroit. A...

5.33 Tata Motors, Ltd., purchases computer process chips from two suppliers, and the company is concerned about the percentage of defective chips. A review of the records for each supplier indicates...

5.25 An investment portfolio contains stocks of a large number of corporations. Over the last year the rates of return on these corporate stocks followed a normal distribution with mean 12.2% and...

5.26 Southwest Co-op produces bags of fertilizer, and it is concerned about impurity content. It is believed that the weights of impurities per bag are normally distributed with a mean of 12.2 grams...