Question

**A class of 40 students, 18 are males and 22 are females.
For the final examination, 3 males and 5 females achieved a letter
grade of A. What is the probability that a randomly selected
student from the class achieved letter A grade or is a male
student?**

Select one:

a. **27/40**

b. **22/40**

c. **25/40**

d. **30/40**

e. **13/30**

Answer #1

A math class consists of 25 students, 14 female and 11 males.
Three students are selected at random to participate in a
probability experiment. Compute the probability that
a male is selected, then two females.
a female is selected, then two males.
two females are selected, then one male.
three males are selected.
three females are selected.

1. There are 65 students, 35 females and 30 males in a class.
How many ways to choose 3 students so that 1 of them is male?
2. A student is writing a multiple choice test with 20
questions. Each question has 4 possible answers. The student will
randomly choose one of the 4 answers for each question. What is the
probability the student answers at least 2 questions correctly?
(please answer questions step by step)

In a class with 20 students, 8 males and 12 females, 5 students
are selected. Use hypergeometric distribution to find that 2 are
males and 3 are females.

In a stat class, there are 18 juniors and 10 seniors; 6 of the
seniors are females and, 12 of the juniors are males. a) Complete
the following contingency table for this scenario. If a student is
randomly chosen from this group: b) What is P(student is a junior)?
c) What is P(student is a male and a junior)? d) What is P(student
is a male or a senior)? e) What is the probability the student is a
male if...

A physics class has 40 students. Of these, 17 students are
physics majors and 13 students are female. Of the physics majors,
five 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

About 53% of the students are females. A random sample with five
students were selected.
A. What is the probability that there is only one male student
in this sample?
B. What is the probability that there are two male students in
this sample?
C. What is the probability that there are three male students in
this sample?
D. What is the probability that there is at least one male
student in this sample?
E. Given that there is at...

Question 1 At a small, private community college of 150
students, students are enrolled in the Sciences or the Arts.
One-third of the students are pursuing the Sciences. Thirty percent
of the students in the Sciences are females. Males and Females are
evenly represented in the Arts. Use this information to complete
the table below: Program Of Study Science Arts Total Gender Male
Female Total (a) What is the probability that a randomly selected
student is females and enrolled in...

A large class is composed as follows.
Freshman
Sophomore
Junior
Senior
Male
1
22
35
11
Female
5
50
61
15
You randomly select a student from this class. Find the
probabilities of the following events.
(a) Selected student is a junior.
(b) Selected student is not a junior.
(c) Selected student is a junior and female.
(d) Selected student is neither a junior nor a female.
(e) You are told that the selected student is male. What is the...

In a certain state, 30% of students will take an AP class, 40%
of students will play a school sport, and 15% of students will do
both. If we randomly selected a student, find the following:
(a) the probability the student will play a sport, but not take
an AP class.
(b) the probability the student will play a sport, given the
student takes an AP class.
(c) the probability the student plays a sport or takes an AP
class....

A mathematics class consists of 40% freshmen, 30% sophomores,
20% juniors, and 10% seniors.If 50% of the freshmen, 60% of the
sophomores, 70% of the juniors, and 80% of the seniors are males,
what is the probability that a randomly selected male student is a
freshman?

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 4 minutes ago

asked 8 minutes ago

asked 32 minutes ago

asked 57 minutes ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago

asked 3 hours ago

asked 3 hours ago

asked 3 hours ago