Q2. After increased patrol, cars on a road travel at speeds averaging 55 km/h. If 93% vehicles travel below 68 km/h, what approximate standard deviation could represent this model (assuming a normal model is appropriate)? a) 30.4 b) 8.8 c) 63.2 d) 51.2 e) -8.8

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Q: z-score of

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Q: uted with a mear ndard deviation of 10 centile of the item p a. -0.13 а. b. 0.13

A: Given Data Population Mean,μ = 42.0 Population Standard Deviation,σ = 10.0

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Q: 2. The height of an adult male is known to be normally distributed with of mean of 69 inches and a…

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Q: Given the matched-pairs below, compute the mean and standard deviation for X Y. X 14.1 13.6 15.8…

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Q: P(x) 0.186 1 0.362 0.295 3 0.128 0.027 4 5 0.002

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Q: Q2:The mean time taken by all participations to run a road race was found to be 200 minutes with a…

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