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
Aleksandr [31]
3 years ago
10

teacher asked her students write down the number of hours studied rounded to the nearest half hour. she complies the results in

develops the probability distribution below for randomly selected student. what is the mean of the probability distribution

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

Answer:

1.5

Step-by-step explanation:

The question is incomplete due to the probability distribution table, investigating you can find it so I will attach it.

Having the table, we need to find the mean of the probability distribution, which is defined as the sum of the product of probability and value of random distribution, that is:

M = Sum (xi) * P (xi)

We replace:

M = 0.5 * 0.07 + 1 * 0.2 + 1.5 * 0.46 + 2 * 0.2 + 2.5 * 0.07

M = 1.5

Therefore, the mean of the given table is 1.5

You might be interested in
Plz plz help me I really need help
arlik [135]
Circumference of a circle is 2πr where r is radius of a circle.

2*3.14*7=43.96 almost 44 inches in whole number where π=3.14
4 0
3 years ago
Read 2 more answers
In the diagram, line x|| line y. Find the angle measures below.
Yanka [14]

Answer:

<1 = 95

<2 =85

Step-by-step explanation:

<1 = 95

They are alternate exterior angles and alternate exterior angles are equal when the lines are parallel

<1 + <2 = 180  since they form a straight line

95+ <2 =190

Subtract 95 from each side

95-95+<2 =180-95

<2 =85

5 0
3 years ago
What is the solution to -2(8×-4)&lt;2x+5
Monica [59]
Distribute the -2 to get 

-16x + 8 < 2x + 5

3 < 18x 

1/6 < x

so x > 1/6
7 0
3 years ago
Lena drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 6 hours. When Lena drove h
tekilochka [14]
I believe the answer is 88
7 0
3 years ago
I really need help with this Question don't know how to do it
suter [353]
Tan(12) = 40/d
d = 40/tan(12)
d = 188.19m
3 0
3 years ago
Other questions:
  • Please help I do not understand this
    13·1 answer
  • the cost of a candle varies directly with the volume of a candle. if a candle with a volume of 80cm^3 costs $12, what would be t
    8·1 answer
  • NEED HELP NOW 57 POINTS!!!!!!!
    15·2 answers
  • (01.07 MC) Lines BC and ED are parallel. They are intersected by transversal AE, in which point B lies between points and E. The
    13·2 answers
  • How many nickels in five dollars
    14·2 answers
  • A rectangular field has a length of 0.26 miles and a width of 0.48 miles find the area of the field
    9·1 answer
  • How can you tell the diffrence between horizontal and vertical translation in an equation?
    13·1 answer
  • Cual es el resultado de la operacion algebraica: 25x+12x+31x-8x+5x
    14·1 answer
  • Suppose I have an urn full of balls.10 balls are balck, 2 are blue,2 are red,1 is green. I reach into the urn and pull out a bal
    15·1 answer
  • Which pair of statements about the lengths of two sides of the triangle is<br> true?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!