Grace Academy and Preparatory

Grace Academy and Preparatory Connect with our Online Science classes to prepare for JAMB and WAEC Exams. Visit our centre for offline classes for both science and Arts

Update for JAMB 2026
06/01/2026

Update for JAMB 2026

03/01/2026

separating funnel
s

03/01/2026
25/12/2025

Merry Christmas 🎄 and a prosperous new year to all our followers.

19/11/2024

To have a better experience you would need the audio explanations and discussions on topics and subjects, join us on WhatsApp (free of charge) via this link

19/11/2024

Topic Probability continued
*Experimental Probability*

Experimental probability is the probability of an event occurring based on repeated trials or experiments.

*Key Concepts:*

1. Trial: A single experiment or observation.
2. Repeated Trials: Conducting multiple experiments under the same conditions.
3. Frequency: The number of times an event occurs.
4. Relative Frequency: The proportion of times an event occurs.

*Formula:*

Experimental Probability = (Number of times event occurs) / (Total number of trials)

P(E) = Frequency / Total Trials

*Example 1:*

A coin is tossed 10 times. Heads comes up 4 times.

P(Heads) = 4/10 = 0.4

*Example 2:*

A dice is rolled 20 times. The number 6 comes up 3 times.

P(6) = 3/20 = 0.15

*Example 3:*

A spinner is spun 15 times. The color red comes up 7 times.

P(Red) = 7/15 = 0.467

*Questions:*

1. A coin is tossed 50 times. Heads comes up 23 times. What is P(Heads)?
2. A dice is rolled 30 times. The number 3 comes up 5 times. What is P(3)?
3. A spinner is spun 20 times. The color blue comes up 9 times. What is P(Blue)?

19/11/2024

Maths Class
Topic: Probability
Yes, I'm familiar with probability concepts typically taught in SS3 (Senior Secondary School 3) in Nigeria. Here are some key topics:

*Probability Concepts:*

1. Introduction to Probability
2. Experimental Probability
3. Theoretical Probability
4. Probability of an Event
5. Probability of Combined Events (AND, OR, NOT)
6. Mutually Exclusive Events
7. Independent Events
8. Dependent Events
9. Conditional Probability
10. Probability Distribution (Binomial, Uniform)

*Key Formulas:*

1. Probability of an Event: P(E) = Number of favorable outcomes / Total number of outcomes
2. Probability of Combined Events:
- P(A AND B) = P(A) Ă— P(B)
- P(A OR B) = P(A) + P(B) - P(A AND B)
3. Conditional Probability: P(A|B) = P(A AND B) / P(B)

*Examples:*

1. A coin is tossed. What is the probability of getting heads?
2. A dice is rolled. What is the probability of getting an even number?
3. Two coins are tossed. What is the probability of getting two heads?

15/08/2024
09/08/2024

Here's a comeback after a very long while
How has it been?

You Are Wasting Your Time, Charly Boy Tells IPOB, Biafran Agitatorspointblanknews.com Jul 25, 2017 6:31 AMMusician and A...
25/07/2017

You Are Wasting Your Time, Charly Boy Tells IPOB, Biafran Agitators

pointblanknews.com Jul 25, 2017 6:31 AM

Musician and Activist, Charly boy Oputa has admonished people of the
South-East to abandon the struggle for Biafra. He said it was a waste of
time.

Speaking with Sun, the social rights activists advised Igbos to devote
their time to other productive ventures instead of agitating for Biafra.
He said, “Unfortunately, the dreams of nationhood is lost on the altar of
deception, and my Igbo brothers must be circumspect on the fact and
history, and not be hoodwinked into some insane propaganda that will only
lead to more wahala.

“So, instead of Biafra, we should channel our energies and abilities
towards developing the South-east to become the economic hub of Nigeria.
Igbo nation and my people are great but for us to move forward we must
kill our individualistic tendencies and come together to do great things.

“The fall of Biafra after the genocide, starvation, and immense suffering
of my people should teach us something. I believe the failure of the Igbo
nation is the fault of the people, her so-called elites and
decision-makers.

“Why have we not poured our energy, capacity and ability into making the
South-east the Dubai of the nation as well as the engine room of the
Nigerian economy? Who would be our leaders when the South-east is infested
with political power-grabbers, 419ers, mindless criminals and looters of
our commonwealth and resources? Need I mention names?

“Our problem is the lack of men of integrity and a progressive mindset. We
lack the right kind of leadership that will fight for the interest of the
people. Let it be clear to all that the sufferings and poverty of the
people of the South-east are also the sufferings and poverty of the
peoples of the other geopolitical zones in Nigeria, including my northern
brothers.

“Even the nascent anti-corruption fight in the country has seen all tribe
accordingly represented. It is therefore retrospectively insane to begin
to think that a people with a problem would suddenly be relieved when they
are attached with a tag ; Abegi.

“Therefore, I insist that our mumu don do because the failure of
leadership is evident in our agitator fairness, justice and equality for
every Nigerian not just for every Igbo man. And so the mind of the typical
Igbo leader needs a revolution so that it can be realigned for the
interest of the people rather than the interest of a few.”

Just the news

Address

Umudike And Ahiaeke
Umuahia

Website

Alerts

Be the first to know and let us send you an email when Grace Academy and Preparatory posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Organization

Send a message to Grace Academy and Preparatory:

Share