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]
2 years ago
6

On a six-question multiple-choice test there are five possible answers for each question, of which one is correct (C) and four a

re incorrect (I). If a student guesses randomly and independently, find the probability of being correct on two questions.
Mathematics
1 answer:
brilliants [131]2 years ago
8 0
Since the events are independent and can be reduced to two outcomes, we can solve it using the binomial formula.

You might be interested in
A box of 8 marbles has 4 red, 2 green, and 2 blue marbles. If you select one marble, what is the probability that it is a red or
Yakvenalex [24]

Answer:

3/4

Step-by-step explanation:

add the no. of red marbles and blue marbles

2+4 = 6

Probability so divide 6/8 simplified to 3/4

4 0
3 years ago
Can you please help me
kirill [66]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
If a polynomial is divided by a binomial and there is a remainder what does that mean
Svetllana [295]
That means:

1) you cannot factorize it, or
2) the binomial is not the right one to be the quotient  or
3) the roots of the binomial are not the roots of the polynomial

8 0
3 years ago
How many real roots does a quadratic equation have if the discriminant is -3?
soldier1979 [14.2K]

\bf \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ y=\stackrel{\stackrel{a}{\downarrow }}{a}x^2\stackrel{\stackrel{b}{\downarrow }}{+b}x\stackrel{\stackrel{c}{\downarrow }}{+c} ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ positive&\textit{two solutions}\\ negative&\stackrel{\textit{no real roots}}{\textit{no solution}}\quad \checkmark \end{cases}

6 0
3 years ago
Margie's car can go 32 miles on a gallon of gas, and gas currently costs $4$4 per gallon. How many miles can Margie drive on $20
Gnom [1K]
If she has 32 miles to the gallon, and 20 dollars, then 5*32 gives you your final answer, which is 160.
4 0
3 years ago
Read 2 more answers
Other questions:
  • How many cups does it take to make a gallon of water
    11·1 answer
  • Derek has a bird that weighs 4 pounds. Use the double line diagram below to help you determine approximately how many kilograms
    9·2 answers
  • Help please. i am confused
    11·1 answer
  • The graph h = −16t^2 + 25t + 15 models the height and time of a ball that was thrown off of a building where h is the height in
    6·2 answers
  • G(a) = a + 2. Find f(-7).
    13·1 answer
  • This histogram shows the numbers of shoppers in various age groups at a clothing store.
    8·2 answers
  • Real Answers Only!!!!
    5·1 answer
  • Complete the inequality statement.2/7_____5/14<br> A.&lt;<br> B.&gt;<br> C.=
    6·1 answer
  • Coach Withrite can bench press 325 lbs. How many kg can he bench?
    10·1 answer
  • What is the difference?​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!