Q1 - Converting compound units
Convert these units.
speed
9 m/s
m/s
km/h
63 km/h
5 g/cm3
density
kg/m3
1500 kg/m3
g/cm3
Pa
pressure
1.3 N/cm2
N/cm2
6200 Pa
£ 1100 per week
rate of pay
£
per annum
£30000 per annum
th
per month
94 p per 100g
£
per kg
cost
p per 100g
£5.50 per kg
Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above
Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics