Answer(১):- Important and Latest News of the World:
1. US President Elect Donald Trump to quit Business Empire for Presidency.
2. Fuel Price Fears as OPEC agrees to cut supply.
3. Crash Pilot: Brazilian Team Plane "Out of Fuel".
4. North Korea Banned from Exporting Giant Statues.
5. Seven Deaths Confirmed in Tennessee Wildfires.
Answer(২):- I have two types important and latest news of the world.
At first i discuss the Myanmar issue. Myanmar's Muslim is unsaved. They want to save their life. But any Muslim country like as Arab, Pakistan, Bangladesh etc don't help them.
second on i discuss the USA election. USA president election get problem on 20 lac vote. Many people hope Hilary Clinton will be president of USA at truly countdown of vote.
Answer(৩):- Conditions for Performing a Significance Test About a Mean
*Random: The data come from a well-designed random sample or randomized experiment.
*10%: When sampling without replacement, check that n ≤ 0.10N.
*Normal/Large Sample: The population has a Normal distribution or the sample size is large (n ≥ 30). If the population distribution has unknown shape and n < 30, use a graph of the sample data to assess the Normality of the population. Do not use t procedures if the graph shows strong skewness or outliers
