In a large school, it was found that 67% of students are taking
a math class, 72% of student are taking an English class, and 40%
of students are taking both.
Find the probability that a randomly selected student is taking a
math class or an English class. Write your answer as a decimal, and
round to 2 decimal places if necessary.
Find the probability that a randomly selected student is taking
neither a math class nor an English class. Write your answer as a
decimal, and round to 2 decimal places if necessary.
In a large school, it was found that 67% of students are taking a math class,...
Sick children: There are 21 students in Mrs. Bush's sixth-grade class. On a cold winter day in February, many of the students had runny noses and sore throats. After examining each student, the school nurse constructed the following table. Round the answers to four decimal places, as needed. Sore ThroatNo Sore ThroatRunmy Nose No Runny68Nose25(a) Find the probability that a randomly selected student has a runny nose. (b) Find the probability that a randomly selected student has a sore throat. (c) Find the...
5. In a math class consisting of 21 students, suppose that 10 of the enrolled students are rated as “very proficient" in math, according to a standardized test. (a) (4 points) Suppose 4 students in the class are randomly selected to form a group and work on a project. What is the probability that all of the students in the group are rated as very proficient in math? (b) (4 points) If 4 students in the class are randomly selected,...
Suppose that 60% of all UVic students are taking an English class, 75% of all UVic students are taking a Statistics class, and that 90% of all UVic students are taking an English class on a Statistics class (or both).. What is the probability that a randomly selected student is taking an English class and is not taking a Statistics class?
A finite math class of 50 students is composed of freshmen and sophomores according to the table below. A student from the class is selected at random. Freshmen Sophomores Females 12 8 Males 14 16 a) What is the probability that the selected student is either a male or a freshman? b) What is the probability that the selected student is neither a female nor a sophomore?
A physics class has 40 students. Of these, 17 students are physics majors and 14 students are female. Of the physics majors, five are female. Find the probability that a randomly selected student is female or a physics major. . The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.)
A physics class has 40 students. Of these, 15 students are physics majors and 17 students are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is nothing . (Round to three decimal places as needed.)
In a freshmen high school class of 400 students, 110 take math, 130 take English, 150 take history, 30 take math and English, 40 take math and history, 50 take English and history, and 280 take math or English or history. If a freshmen strudent is picked at random from the class, then, for k=0,1,2,3, find the probability that: a. He takes exactly k of the named subjects. b. He takes at least k of the named subjects. c. He...
A physics class has 50 students. Of these, 17 students are physics majors and 18 students are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed) Enter your answer in the answer box. ere to search
A physics class has 40 students. Of these,14 students are physics majors and 18 students are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is___. (Round to 3 decimal places)
A physics class has 40 students. Of these, 15 students are physics majors and 17 studernts are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.)