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
LuckyWell [14K]
3 years ago
9

The probability that a student guesses the correct answer to a four-choice multiple-choice question is ​P(correct)=0.25. How man

y correct answers should a student expect to guess on a test with 72 four-choice multiple-choice​ questions?
Mathematics
1 answer:
mylen [45]3 years ago
7 0

Answer: 18

Step-by-step explanation:

0.25 or 1/4 can be answered correctly

there's 72 questions

0.25*72=18

You might be interested in
PLEASE HELP ME 20 PTS
podryga [215]

Answer:

The answer is C

Sn=3(1-1/2^n)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is (18-26)^3<br><br><br>can oneone help me get 5 more brainlyist<br>and 400 points
Phoenix [80]

Answer:  -512

Step-by-step explanation:

(18-26) = -8

(-8)^3 = (-8)*(-8)*(-8) = -512

3 0
3 years ago
May anyone give me an example of a independent and an dependent probability word problem about food?
Rufina [12.5K]
Dependent: Ventus has a bag of chex mix and he spent his time counting and organizing the food. There are 13/31 white pieces of chex, 10/31 pretzels, and 8/31 cracker bites.  he wants to see if he can grab two white chex pieces, one at a time without replacing the first attempt. He reaches his hand into the bag and gets a white chex piece and doesn't replace it. What is the probability that Ventus will grab another white chex?
 independent: Cabel has a bowl of fruit and his sister won't let him take one and look at it for some strange reason/ however, she does tell him the probability of picking each fruit out of 12. 2/6 oranges, 3/12 apples, and 5/12 bananas. He must replace every fruit he picks. What is the probability of picking an orange?

5 0
4 years ago
If yard is 3 feet long how many inches are in a yard
Alla [95]
There are 12 inches in a foot and if a yard is 3 feet then do:
3 x 12 and you get 36in
So there are 36 inches in a yard
7 0
3 years ago
A box without a top is made from a rectangular piece of cardboard, with dimensions 27 centimeters by 18 centimeters, by cutting
GaryK [48]
By cutting each corner we have that the resulting dimensions are:
 27 - 2x
 18 - 2x
 Height = x
 Therefore, the volume of the box in terms of the variable x, is given by:
 V (x) = (x) * (27-2x) * (18-2x)
 Answer:
 
The volume of the box in terms of x is:
 
(27-x) (18-x) x
8 0
4 years ago
Read 2 more answers
Other questions:
  • If three people earned a total of $12,705 working together last week. How much should each person receive if they divide the mon
    8·1 answer
  • I do not understand what subscript numbers mean
    8·1 answer
  • The area of circle 200mm is diameter approximately how many times greater the the are of a circle40mm in diameter
    9·1 answer
  • The table shows the number of gallons of gasoline the
    15·1 answer
  • There are (1092 . 10° candies in a store. What is the total number of candies in the store?
    12·1 answer
  • Need help on this... first one to answer correctly gets a BRANLIST​
    13·2 answers
  • 409.0113 x230.2190931
    14·1 answer
  • Find the area of the rectangle with a length of (3x-5) and a width of (2x+7). <br> HELP PLS
    6·1 answer
  • Wyatt and his family went to the beach. First, they swam in the ocean for 1 hour and 45 minutes. Then they built sandcastles for
    15·1 answer
  • Andre wrote the expression -2 + 4x = 3 to represent the relationship shown in the table. Write two other expressions that also r
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!