Wavelength of lasers is often measured in nanometers, abbreviated nm. The manufacturer of a particular type of blue laser wants to test, at the 5% significance level, whether their lasers have a mean wavelength of 445 nm. A sample of 49 is taken. The sample mean is 446.2 nm. Assume that the population standard deviation for this type of laser is known to be 5 nm. a) Set up the null and alternative hypotheses b) State the significance level, a, in probability form. c) Compute the test statistic. PLEASE SHOW THE STEPS. No credit will be given if work is not show.
Wavelength of lasers is often measured in nanometers, abbreviated nm. The manufacturer of a particular type of blue laser wants to test, at the 5% significance level, whether their lasers have a mean wavelength of 445 nm. A sample of 49 is taken. The sample mean is 446.2 nm. Assume that the population standard deviation for this type of laser is known to be 5 nm. a) Set up the null and alternative hypotheses b) State the significance level, a, in probability form. c) Compute the test statistic. PLEASE SHOW THE STEPS. No credit will be given if work is not show.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Wavelength of lasers is often measured in nanometers, abbreviated nm. The
manufacturer of a particular type of blue laser wants to test, at the 5% significance
level, whether their lasers have a mean wavelength of 445 nm. A sample of 49 is
taken. The sample mean is 446.2 nm. Assume that the population standard
deviation for this type of laser is known to be 5 nm.
a) Set up the null and alternative hypotheses
b) State the significance level, a, in probability form.
c) Compute the test statistic. PLEASE SHOW THE STEPS. No credit will be
given if work is not show.
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