Mathematics, 14.02.2022 06:00 leem6
The mean percentage mark for candidates in the 2019 leaving certificate higher level maths exam is 63.3% with a standard deviation of 16.4% the suggestion that candidate to build the results have on average similar results to all of the candid it is being investigated random sample of candidate to appeal has taken the mean percentage mark the sample of 67.5% question one show that of the sample size was 25 then this result is not significant at the 5% level question to show that if the sample size was 100 and this result is significant at the 5% level question three find a small sample size for which this result could be regarded as significant at the 5% level
Answers: 3
Mathematics, 21.06.2019 14:00
Which is an equation for the nth terms of the sequence 12,15,18,21
Answers: 1
Mathematics, 21.06.2019 14:30
Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²
Answers: 1
Mathematics, 21.06.2019 18:00
Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit
Answers: 3
The mean percentage mark for candidates in the 2019 leaving certificate higher level maths exam is 6...
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