Write your answers in the Answer Book provided. Additional sheets will be provided on request. Clearly write the number and parts of questions attempted at the start of each answer. No written material is allowed in the examination room. No mobile phones are allowed in the examination room. An approved calculator may be used in the examination. State the units where necessary. Where appropriate, working should be carried out to 4 significant figures and answers given to 3 significant figures. Full marks will only be given for full and detailed answers. Students will receive a formula book. V2 0809 Page 1 of 8 IFYMB001 Maths Part 2 (Business)
Section A Answer ALL questions. This section carries 40 marks. Question A1 In a class of 40 students the mean weight of the 15 males is 64 kg and the mean weight of the 25 females is 56 kg. Calculate the mean weight of the students in the class. If they drink tea the probability that they eat a sandwich is 0. 7 . If they drink milk the probability that they eat a muffin is 0. 5 . If they drink cola they are equally likely to eat a sandwich or a muffin. (i) (ii) (iii) Draw a probability tree to illustrate the above situation.
What is the probability that a student picked at random eats a sandwich? If a student eats a muffin what is the probability that they drink cola?One week there is a health scare involving cattle. How many of the 10 customers in the random sample the following [ 6 ] week must fail to buy beef to convince the butcher that the health scare has had an effect on his sales of beef? The null hypothesis and the alternative hypothesis should be clearly stated and you should use a 5% significance level
The Essay on Why Do College Students Drink So Much
Why do College Students Drunk so Much? "Alcohol abuse on college campuses has reached a point where it is far more destructive than most people and today realize and today threatens too many of our youth." -Senator Joe Lieberman Why do college students drink so much? This timeless fad has effected this generation in high percentages since the beginning of college education. Today in America it is ...