Monday
July 28, 2014

Homework Help: statistics

Posted by monea on Thursday, June 14, 2012 at 3:15pm.

Let x be the number of courses for which a randomly selected student at a certain university is registered. The probability distribution of x appears in the table shown below:
x 1 2 3 4 5 6 7
p(x) .04 .05 .08 .26 .39 .16 .02
(a) What is P(x = 4)?
P(x = 4) =

(b) What is P(x 4)?
P(x 4) =

(c) What is the probability that the selected student is taking at most five courses?
P(at most 5 courses) =

(d) What is the probability that the selected student is taking at least five courses? more than five courses?
P(at least 5 courses) =
P(more than 5 courses) =

(e) Calculate P(3 x 6) and P(3 < x < 6).
P(3 x 6) =
P(3 < x < 6) =

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math urgent..............help..... - the table below shows the registered ...
statistics and probability - It is known that an exam scores of students in STAT...
Probability - At a certain university, 30% of the students major in math. Of the...
probabilityv - A school's administrators are concerned about absenteeism at ...
Statistics - A box contains five numbered balls (1,2,2,3 and 4). We will ...
statistics - 1. The on-campus housing costs for a semester at a state university...
Statistics - Suppose that the birth weight of newborn babies in the U.S is ...
Discrete Math - (2) Suppose A is the set of students currently registered at the...
statistics - Give the probability in decimal form (correct to two decimal places...
Statistics (37) - According to the Sleep Foundation, the average night's sleep ...

Search
Members