Mean time to download-standard deviation

Assignment Help Basic Statistics
Reference no: EM1315731

The mean time to download an Google video is 1 minute 30 seconds. Suppose the download time is normally distributed with standard deviation of 20 seconds.

a) What is the probability that it took more than 2 minutes to download a randomly selected video?

b) What percentage of videos can be downloaded in less than 1 minute?

Reference no: EM1315731


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