School officials estimated that 400 people attended an afternoon performance of a school play and around 600 people attended the evening performance. What is a reasonable estimate of the total attendance for those performances? Is this a combining or separating problem?Solve.

10% of the 70 students in the school orchestra are performing a solo at the spring concert. How many students are performing a solo?

Last Tuesday, a music school held a dance concert and a pop concert at the same time. A total of 574 people attended the concerts. If 327 people were at the dance concert, how many people were at the pop concert?

Sir Gary randomly chose five students from his class of 40 and found out that these five students devote an average of 1.6 hours daily for play and recreational activities.Which of the given numbers is a statistic?*1 pointPopulation sizeAverage time spent asleepSample sizeAverage length of playing time

A study on exercise habits used a random sample of 2,540 college students (1,220 females and 1,320 males).The study found the following:818 of the females in the sample exercise on a regular basis.924 of the males in the sample exercise on a regular basis.The average time that the 1742 students who exercise on a regular basis (818 + 924) spend exercising per week is 4.2 hours.What is the point estimate for the proportion of all female college students who exercise on a regular basis? (Numbers are rounded to two decimal places as needed.)  Incorrect. You need to find what proportion of the females in the sample exercise on a regular basis. It looks like you incorrectly used the total sample size (2,540) in the denominator.xReset this ActivityWhat is the point estimate for the proportion of all college students who exercise on a regular basis? (Numbers are rounded to two decimal places as needed.)

Out of total number of student in the college, 15% are interested in sports, 3535 of total student are interested in dancing,10% of total numbers of student are interested in singing and remaining 45 students are not interested in any of the activities. What is total number of students in the college? 300400200500