Š The mass of a bag of sugar is 6 kg. Mrs. Wincheski uses
kg of sugar to bake a cake. How many
cakes can she bake?
2.92
19. Christopher used of a day to sleep. He used of the day for recreation. The rest of the day was
spent working on a project. What fraction of the day did he spend working on the project?
J
Mox had 3 pizzas. He shared the pizzas with his neighbors. Each of them ate of a pizza. How

The investigating team suspected that there were differences in the cost of repairing cars in workshop i and workshop ii. the investigating team suspected that the costs raised by workshop i were greater than workshop ii. for that they tested the repair of 15 cars in each workshop to see the cost of repairs.the decision of the right hypothesis to prove the suspicion above is a. h0 : μ1- μ2­ = 0; ha : μ1- μ2­ ≠ 0 b. h0 : μ1- μ2 ≥ 0; ha : μ1- μ2 < 0 c. h0 : μd ≥ 0; ha : μd < 0 with μd = μ2- μ1 d. h0 : μd = 0; ha : μd ≠ 0 with μd = μ2- μ1 e. h0 : μ1- μ2 = 0; ha : μ1- μ2 ≥ 0