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1) There are eight research projects with five projects about transportation and the rest are about Marketing. The research manager wants to assign four projects to a research team at random. Find the probability that the team will be assigned at least two projects about marketing.
(2) An education specialist conducted a survey to investigate the type of activities participated by primary school students last summer. From the result, 80% of the students participated in STEM courses. Among those students participated in STEM courses, 75% of them participated in sports courses. 10% of the students participated in neither STEM courses nor sports courses.
(i) Calculate the probability that a randomly selected primary school student participated in sports courses.
(ii) Calculate the probability that a randomly selected primary school student participated only in STEM courses or only in sports courses.
(iii) It is known that a randomly selected primary school student participated in sports courses. Find the probability that this student participated in STEM courses.
it has been shown that people drive 5 - 10mph faster than the posted speed limit on a highway. it has been thought that
Some insurance companies are not humanitarian organizations. Therefore, some humanitarian organizations are not insurance companies.
below is a table giving a joint pmf for the random pair yx.x1x2x3y3.05.2.1y2.1.1.11y1.15.1.09a find the sel predictor
we are interested in relationship satisfaction of young adults before and after they go off to collegeuniversity which
where negative values are indicative of the flight's being early and positive values are indicative of its being late. Find the probabilities that one of these flights will be
given that fz 1radic2pie-z22 -infin lt z lt infin is the probability density function for the standard normal random
STAT201A Assessment - Case Analysis. In general, the board would be interested in how sales are distributed across outlets, how profits are distributed, and where the major growth areas are
a researcher wants to determine a 97 confidence interval for the mean number of hours that uiuc students spend doing
A sociologist surveys 50 randomly selected citizens in each of two countries to compare the mean number of hours of volunteer work done by adults in each.
a life insurance salesperson claims the average worker in hobart has no more than 25 000 of personal life insurance. to
If a student is selected at random, Find the probability that a student passes Math given that he passed Biology.
If a new curriculum committee of 3 faculty members needs to be formed, how many different ways could this happen?
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