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xxTIMURxx [149]
3 years ago
9

Need help finding this answer for my last homework

Mathematics
2 answers:
Ivahew [28]3 years ago
8 0
Divide by all the numbers
SSSSS [86.1K]3 years ago
8 0
Answer:

2.002

Explanation:

Multiply each x by their probability and add them together to get the random variable.

E(X) = 0(.063) + 1(.250) + 2(.375) + 3(.250) + 4(.063)

E(X) = 2.002
You might be interested in
What is the solution to the equation 3 square root x+4+3 square root 2x+8=0? x = –12 x = –4 x = 4 x = 12
Gre4nikov [31]

Answer:

x=-4

Step-by-step explanation:

3 0
3 years ago
A group of 52 people attend a ball game. There were three times as many men as women in the group. Write and solve a system of e
kkurt [141]

Answer:

lets call the children, c, and call adult, a,

c+a= 52       eq 1: a=52-c

c=3a            eq 2

take a's value from eq 1 and plug it into eq 2

c=3(52-c)

c=156-3c

4c=156

c=39 the number of children that attended the ball game.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
I really need help with this
kupik [55]

Answer:

Oh Stop!!!! This is sooooooooooooo easy! If you would just pay attention in school and not spend all your time trying to buy the new ipad pro maybe you would not have to go to Branily to get a simple answer! Do you think your teacher would like you cheating like this???? I dont think so. So get of of Branily and start studying!!!!  

Step-by-step explanation:

4 0
3 years ago
Pleaseee help quickly !!!!
lisabon 2012 [21]

Let's solve your equation step-by-step.

(− 5 /8 )(x)=−160

Step 1: Simplify both sides of the equation.

−5 /8

x=−160

Step 2: Multiply both sides by 8/(-5).

( 8 /−5 )x( −5 /8 x)=( 8/ −5 )*(−160)

x=256

Answer:

x=256

8 0
3 years ago
If sin theta = 12/13 and theta is an acute angle find cot theta
zhenek [66]
3 Rd side would be
13sq=12sq+xsq
Xsq=169-144
X=5
Cot theta = adj side/opp side= 5/12
4 0
3 years ago
Read 2 more answers
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