Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives at the shoreline until a crashing wave is observed follows a Uniform distribution from 0 to 4.6 seconds. Round to 4 decimal places where possible. a. The mean of this distribution is b. The standard deviation is c. The probability that wave will crash onto the beach exactly 2.3 seconds after the person arrives is P(x = 2.3) = d. The probability that the wave will crash onto the beach between 0.9 and 4.4 seconds after the person arrives is P(0.9 < x < 4.4) = e. The probability that it will take longer than 1.32 seconds for the wave to crash onto the beach after the person arrives is P(x > 1.32) = f. Suppose that the person has already been standing at the shoreline for 1.1 seconds without a wave crashing in. Find the probability that it will take between 3.3 and 3.8 seconds for the wave to crash onto the shoreline. g. 75% of the time a person will wait at least how long before the wave crashes in? seconds. h. Find the maximum for the lower quartile. seconds.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives at the
shoreline until a crashing wave is observed follows a Uniform distribution from 0 to 4.6 seconds. Round to 4
decimal places where possible.
a. The mean of this distribution is
b. The standard deviation is
c. The probability that wave will crash onto the beach exactly 2.3 seconds after the person arrives is P(x =
2.3) =
d. The probability that the wave will crash onto the beach between 0.9 and 4.4 seconds after the person
arrives is P(0.9 < x < 4.4) =
e. The probability that it will take longer than 1.32 seconds for the wave to crash onto the beach after the
person arrives is P(x > 1.32) =
f. Suppose that the person has already been standing at the shoreline for 1.1 seconds without a wave
crashing in. Find the probability that it will take between 3.3 and 3.8 seconds for the wave to crash
onto the shoreline.
g. 75% of the time a person will wait at least how long before the wave crashes in?
seconds.
h. Find the maximum for the lower quartile.
seconds.
Transcribed Image Text:Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives at the shoreline until a crashing wave is observed follows a Uniform distribution from 0 to 4.6 seconds. Round to 4 decimal places where possible. a. The mean of this distribution is b. The standard deviation is c. The probability that wave will crash onto the beach exactly 2.3 seconds after the person arrives is P(x = 2.3) = d. The probability that the wave will crash onto the beach between 0.9 and 4.4 seconds after the person arrives is P(0.9 < x < 4.4) = e. The probability that it will take longer than 1.32 seconds for the wave to crash onto the beach after the person arrives is P(x > 1.32) = f. Suppose that the person has already been standing at the shoreline for 1.1 seconds without a wave crashing in. Find the probability that it will take between 3.3 and 3.8 seconds for the wave to crash onto the shoreline. g. 75% of the time a person will wait at least how long before the wave crashes in? seconds. h. Find the maximum for the lower quartile. seconds.
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