I need solve this questions

QUESTION 30 The age distribution of students at a community college is given below: Age(years) Number of students (f) Under 21 389 21 - 25 259 26 - 30 222 31 - 35 54 Over 35 13 A student from the community college is selected at random. Find the probability that the age of this student is between 21 and 25 or between 26 and 30 or between 31 and 35. Round your answer to three decimal places. QUESTION 31 The probability that a student owns a car is 0.698, and the probability that a student owns a computer is 0.65. If the probability that a student owns both is 0.491 , what the probability that a student owns reither a car nor a computer? Round your answer to three decimal places. QUESTION 32 In Abu Dhabi 89% of the people have internet access from their homes. A random sample of 30 people is selected. 0.9961 What is the probobality that more than 21 people have Internet access? Round your answer to four decimal places. 0.0272 What is the probobality that exactly 7 people do not have Internet access? Round your answer to four decimal places. 3.3 Find the expected number of people who do not have Internet access. Round your answer to one decimal places. QUESTION 33 Based on one survey of high school students, 49% of high school students plan to choose a career in business. Find the probability that among 20 randomly selected high school students, at least 8 plan to choose a career in business. Round your answer to four decimal places