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
IrinaK [193]
2 years ago
12

(2) The scores obtained by a class of

Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
5 0

Answer:

Below.

Step-by-step explanation:

2)

(a) Prob(exactly 6 marks) =  2/10 = 1/5

(b) Prob(At least 6 marks) = 5/10 = 1/2.

3)

Prob ( Queen of hearts) = 1/52

4)

Probability of a 6 in one throw = 1/6.

So expected number of 6's in 300 throws

= 1/6 * 300

= 50.

You might be interested in
Which of the following terms have a GCF of 6x^3? Select two options. 12p^3r 27p^4q 45p^3q^6 54p^3 63p^3q^6
topjm [15]

Answer: 12p^3r and 54p^3

Step-by-step explanation:

7 0
3 years ago
Plzzzzzx anyone help me
Yuki888 [10]

First look at the points and find their x and y values. So we have:

(-3,3), (0,0), (3,3)

Next separate the x values and the y values

x values: -3, 0, 3

y values: 3, 0, 3

The x values are your domain and the y values are are range

So the answer is b

8 0
3 years ago
Allen subtracts (11x + y) from (ax + 6y). His correct answer is − 10x + 5y. What is the value of a?
castortr0y [4]
A=1

Here is a picture. Please notify me if I made an error!
7 0
3 years ago
Find the value of 7 then what is the value of the expression -3b2+25
Mice21 [21]
-147 +25 = 122 i am pretty sure this is right but i might be wrong

6 0
3 years ago
F(x) = 4^x-<br>2; find f(1)​
Mars2501 [29]

Answer:

f(1) =2

Step-by-step explanation:

f(x) = 4^x- 2

Let x=1

f(1) = 4^1 -2

     =4-2

     =2

7 0
2 years ago
Other questions:
  • Last year, there were 219 pies baked for the bake sale. This year, there were d pies baked. Using d , write an expression for th
    10·2 answers
  • What is the unit rate for $240 for 4 days
    7·2 answers
  • Whats the square of a negative number?
    8·1 answer
  • Is 9.23= to 9.32 hope I can get the correct answer
    13·1 answer
  • The difference between the roots of the equation 3x2+bx+10=0 is equal to 4 1 3 . find<br> b.
    11·1 answer
  • The mean of this set of data (23,13,17,11,11)
    11·1 answer
  • Three 3.0 g balls are tied to 80-cm-long threads and hung from a single fixed point. Each of the balls is given the same charge
    8·1 answer
  • Help it gives me no numbers!!!
    15·2 answers
  • Larry has a bowl of raspberries and blackberries. There are 2 more raspberries than blackberries, and there are 34 berries in al
    14·1 answer
  • F(x) = 3x^2 + 10x -25 g(x) = 9x^2 -25 Find (f/g)(x)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!