Mathematics, 02.09.2021 15:50 neazisa
1 A software developer is using a microphone to collect various sounds for his
new game. He is also using a sound editing app.
When collecting sounds, the software developer can decide on the sampling
resolution he wishes to use.
a i What is meant by sampling resolution?
[1]
ii Describe how sampling resolution will affect how accurate
the stored digitised sound will be.
[3]
The software developer will include images in his new game.
bi Explain the term image resolution.
[1]
ii The software developer is using 16-colour bitmap images.
How many bits would be used to encode data for one pixel
of his image?
[1]
iii One of his images is 16 384 pixels wide and 512 pixels high.
He decides to save it as a 256-colour bitmap image.
Calculate the size of the image file in gibibytes.
[3]
iv Describe any file compression techniques the developer
may use.
[3]
Answers: 2
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The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.
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Mathematics, 21.06.2019 14:10
Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?
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Mathematics, 21.06.2019 20:00
Which sums are equal to 1hold 6/8? choose all answers that are correcta.1/8+6/8b.12/8+2/8c.8/8+1/8+1/8+1/8+1/8+1/8+1/8d.8/8+6/8
Answers: 1
Mathematics, 21.06.2019 20:30
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
1 A software developer is using a microphone to collect various sounds for his
new game. He is als...
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