1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
igor_vitrenko [27]
3 years ago
14

A university class has 29 students: 14 are accounting majors, 9 are business majors, and 6 are history majors. The professor is

planning to select two of the students for a demonstration. The first student will be selected at random, and then the second student will be selected at random from the remaining students. What is the probability that the first student selected is an accounting major and the second student is a history major
Mathematics
1 answer:
Anna007 [38]3 years ago
6 0

Answer:

0.1034 = 10.34% probability that the first student selected is an accounting major and the second student is a history major

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

14 account majors from a set of 29 students.

Then, 6 history majors from a set of 29 - 1 = 28 students.

So

p = \frac{14}{29}*\frac{6}{28} = \frac{14*6}{29*28} = 0.1034

0.1034 = 10.34% probability that the first student selected is an accounting major and the second student is a history major

You might be interested in
A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 439.0 gram setting.
Vlada [557]
<h2>Answer with explanation:</h2>

Let \mu be the average weight of chocolate chips in each bag.

As per given , we have

H_0: \mu =439.0\\\\ H_a: \mu

Since H_a is left-tailed , so we perform a left-tailed test.

Also, the population standard deviation is known \sigm=21.0.

So we use z-test.

Test statistic : z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqt{n}}}

Substitute given value ,\overline{x}=433.0\ , n=47,\ \sigma=21 \ , \mu=439

z=\dfrac{433-439}{\dfrac{21}{\sqrt{47}}}\approx-1.96

Significance level = 0.05

Decision rule : Reject H_0 when p-value < 0.05.

By z-table , P- value for left-tailed test  = P(z<-1.96)= 1- P(z<1.96)

[∵ P(Z<-z)=1-P(Z<z)]

= 1- 0.9750

=0.025

Since , P-value(0.025) < 0.05 , so we reject the null hypothesis.

We support the claim that the machine is underfilling the bags at 0.05 significance level .

3 0
3 years ago
Please help me with the answer and calculation ​
weeeeeb [17]
The answer is 0.56m or 56 cm
6 0
2 years ago
I NEED THIS ANSWER ASAP IM DOING A TEXT AND IT NEED TO BE DONE AT 3:30 SO IF YOU CAN HELP PLEASE HELP
boyakko [2]

Answer:

D, Full Back

Step-by-step explanation:

Your equation for Momentum is Mom.=Mass*Velocity

Halfback 60*8=480

Tight End 90*6=540

Full Back 110*5=550

Line Man 120*3=360

I hope this helps! good luck on your test!

5 0
4 years ago
If c(x)= 4x-2 and d(x)
Allushta [10]

Answer:

Step-by-step explanation:

2-4x

8 0
3 years ago
A set of equations is given below:
masya89 [10]

Answer: No solution

Step-by-step explanation:

Ths lines are parallel (as they have the same slope but different y-intercepts), and parallel lines never intersect. Thus, the system has no solutions because the lines never intersect.

7 0
2 years ago
Other questions:
  • I need to know if the volume is 108 or 900
    5·1 answer
  • Leading zeros are used to
    8·2 answers
  • For each state in the table,find the number of square miles that are covered by forest.
    9·1 answer
  • What would you pay for 2 1/2 kg of tomatoes at £1.50 per kg??<br><br> Pleaseeee helppp!!!!
    12·1 answer
  • The ratio of 6th graders to 7th graders in a class of 35 students is 3:4. How many more 7th graders than 6th graders are in the
    5·1 answer
  • 6 sweets cost 42p altogether how much do 8 sweets cost
    11·2 answers
  • M=-8r^2+11r-6<br> t=-7r^2-9r+14<br> m+t=
    8·1 answer
  • A cook has 6 1/2 cups of sliced carrots<br> how many 3/4 cup servings of carrots is this
    13·2 answers
  • The Jackson family has 4 kids, 4 boys and 0 girls. Suppose that for each birth, the probability of a boy birth is 1/2, and the p
    12·2 answers
  • Plz help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!