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Mr Shape Mathematics Give Away Sunday August 16th By 8pm - Education (3) - Nairaland

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Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Spartancosta(m): 8:48pm On Aug 16, 2020
Mrshape:

Question 42.
A bagel containing 2 red balls and 2 black balls
If two balls are picked at random find the probability that they are different colors.

With workings

(1/4*1/4)+(1/4*1/4)
=1/8 ignore this
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by gr8cany: 8:48pm On Aug 16, 2020
Mrshape:

Question 42.
A bagel containing 2 red balls and 2 black balls
If two balls are picked at random find the probability that they are different colors.

With workings


P(rballs)=2/4=1/2.
P(bballs)=2/4=1/2
P(both)=1/2*1/2 =1/4
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by OSADNA009(m): 8:48pm On Aug 16, 2020
Mrshape:

Question 42.
A bagel containing 2 red balls and 2 black balls
If two balls are picked at random find the probability that they are different colors.

With workings

red ball=2
black=2
denominator=black+red ball=4
2/4
1/2
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Spartancosta(m): 8:49pm On Aug 16, 2020
[quote author=Mrshape post=92896072]
Question 42.
A bagel containing 2 red balls and 2 black balls
If two balls are picked at random find the probability that they are different colors.

With workings

[/quote(2/4*2/4)+(2/4*2/4)
=1/2
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:49pm On Aug 16, 2020


Question 42 still open

Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by NDSMELODY(m): 8:50pm On Aug 16, 2020
Mrshape:

Question 42.
A bagel containing 2 red balls and 2 black balls
If two balls are picked at random find the probability that they are different colors.

With workings

2+2=4 blue = 1/2 black 1/2 1/2 - 1/2 = 0
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:51pm On Aug 16, 2020


Question 42 still open
Or should I bring solution?

Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Harbidexy5(m): 8:52pm On Aug 16, 2020
Mrshape:

Question 42.
A bagel containing 2 red balls and 2 black balls
If two balls are picked at random find the probability that they are different colors.

With workings


Pr(R&B) or pr(B&R)
=¼*¼ +¼*¼
=²/16
=⅛
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Harbidexy5(m): 8:53pm On Aug 16, 2020
Mrshape:


Question 42 still open
Or should I bring solution?

It's Done
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:53pm On Aug 16, 2020
Harbidexy5:


Pr(R&B) or pr(B&R)
=¼*¼ +¼*¼
=²/16
=⅛
Not correct please
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:53pm On Aug 16, 2020
Harbidexy5:

It's Done
It hasn't
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:56pm On Aug 16, 2020

When you are not told with replacement it is without replacement


(2/4 •1/3)+(2/4•1/3)
2(1/6)
=1/3


1 Like

Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:56pm On Aug 16, 2020


Please if you has any issue with my solution please point it out

Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by NDSMELODY(m): 8:57pm On Aug 16, 2020
Mrshape:
Question 42 still open
2+2=4 blue=1/2 black=1/2 probab = 1/2-1/2=0
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:58pm On Aug 16, 2020
NDSMELODY:
2+2=4 blue=1/2 black=1/2 probab = 1/2-1/2=0
Not correct sir
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 8:58pm On Aug 16, 2020


Next question loading

Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Spartancosta(m): 8:59pm On Aug 16, 2020
Mrshape:
When you are not told with replacement it is without replacement

(2/4 •1/3)+(2/4•1/3) 2(1/6) =1/3

naso person take dey fail exam, simple details matter
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by gr8cany: 8:59pm On Aug 16, 2020
Mrshape:

When you are not told with replacement it is without replacement


(2/4 •1/3)+(2/4•1/3)
2(1/6)
=1/3


Ok
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Harbidexy5(m): 8:59pm On Aug 16, 2020
Mrshape:


Please if you has any issue with my solution please point it out

It's not correct bro...
If you had waited a Lil I would hv gotten it
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 9:01pm On Aug 16, 2020

Question 43

Evaluate √9 (mod10)

Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Harbidexy5(m): 9:02pm On Aug 16, 2020
Mrshape:

Question 43

Evaluate √9 (mod10)

3
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Spartancosta(m): 9:03pm On Aug 16, 2020
Mrshape:
Question 43
Evaluate √9 (mod10)
3(mod 10)
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 9:03pm On Aug 16, 2020
Harbidexy5:

It's not correct bro...
If you had waited a Lil I would hv gotten it


But you guys would have told me to wait
When I asked if I should bring solution.

In case of next time just let me know if your solution is in the pipe line
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 9:04pm On Aug 16, 2020
Question 43 still open
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by tbabs10166(m): 9:04pm On Aug 16, 2020
Mrshape:
Question 43
Evaluate √9 (mod10)
3 + 10 = 13
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by OSADNA009(m): 9:05pm On Aug 16, 2020
Mrshape:

Question 43

Evaluate √9 (mod10)

3(10)
=
30
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 9:06pm On Aug 16, 2020


question 43 still open


Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Harbidexy5(m): 9:07pm On Aug 16, 2020
Mrshape:


question 43 still open



Leme just wait for the correct ans
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Mrshape: 9:08pm On Aug 16, 2020


Should I provide solution to it?
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by OSADNA009(m): 9:10pm On Aug 16, 2020
Mrshape:
Question 43
Evaluate √9 (mod10)
3(14)



=42
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Harbidexy5(m): 9:10pm On Aug 16, 2020
Mrshape:


Should I provide solution to it?
Yea
Re: Mr Shape Mathematics Give Away Sunday August 16th By 8pm by Spartancosta(m): 9:11pm On Aug 16, 2020
Mrshape:
Question 43
Evaluate √9 (mod10)
√9(mod 10) 3(mod 10) =13(mod10)

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