6 Solve all parts please An energy company wants to choose between two regions in a state to install energy-producing wind turbines. A researcher claims that the wind speed in Region A isless than the wind speed in Region B. To test the regions, the average wind speed is calculated for 90 days in each region. The mean wind speed in Region A is 13.8 milesper hour. Assume the population standard deviation is 2.8 miles per hour. The mean wind speed in Region B is 15.2 miles per hour. Assume the population standarddeviation is 3.3 miles per hour. At a = 0.05, can the company support the researcher's claim? Complete parts (a) through (d) below.(a) Identify the claim and state Ho and HaWhat is the claim?O A. The wind speed in Region A is not less than the wind speed in Region B.O B. The wind speed in Region A is not greater than the wind speed in Region B.O C. The wind speed in Region A is the same as the wind speed in Region B.O D. The wind speed in Region A is less than the wind speed in Region B.Let Region A be sample 1 and let Region B be sample 2. Identify Ho and Ha.Ho: H1H2Hạ: H1H2(b) Find the critical value(s) and identify the rejection region.The critical value(s) is/are zo =.(Round to two decimal places as needed. Use a comma to separate answers as needed.)What is the rejection region? Select the correct choice below and fill in the answer box(es) within your choice.(Round to two decimal places as needed.)O A. z>O B. z<or z>O C. z<(c) Find the standardized test statistic z.(Round to two decimal places as needed.)Z=(d) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.V the researcher's claim that the wind speed in Region A isHo. ThereV enough evidence at the 5% level of significance tothe wind speed in Region B. e claim?he wind speed in Region A is not less than the wind speed in Region B.Ehe wind speed in Region A is not greater than the wind speed in Region B.The wind speed in Region A is the same as the wind speed in Region B.The wind speed in Region A is less than the wind speed in Region B.gion A be sample 1 and let Region B be sample 2. Identify Ho and Ha.H2H2ind the critical Vvalue(s) and identify the rejection region.critical value(s) is/are zo = .%3Dund to two decimal places as needed. Use a comma to separate answers as needed.)at is the rejection region? Select the correct choice below and fill in the answer box(es) within your cound to two decimal places as needed.)A. Z>O B. z<or z>O C. z<C) Find the standardized test statistic z.||(Round to two decimal places as needed.)) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the contextV the reHo. Thereenough evidence at the 5% level of significance toind speed in Region B.RejectFail to reject

Given Data : For Sample 1 x̄1 = 13.8 σ1 = 2.8 n1 = 90 For Sample 2…

e wind speed in Region B. the wind speed in Region B. e wind speed in Region B. nd speed in Region B. 2. Identify Ho and Ha. region. ma to separate answers as needed.) e below and fill in the answer box(es) within your choice.

e wind speed in Region B. the wind speed in Region B. e wind speed in Region B. nd speed in Region B. 2. Identify Ho and Ha. region. ma to separate answers as needed.) e below and fill in the answer box(es) within your choice.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

6 Solve all parts please

An energy company wants to choose between two regions in a state to install energy-producing wind turbines. A researcher claims that the wind speed in Region A is
less than the wind speed in Region B. To test the regions, the average wind speed is calculated for 90 days in each region. The mean wind speed in Region A is 13.8 miles
per hour. Assume the population standard deviation is 2.8 miles per hour. The mean wind speed in Region B is 15.2 miles per hour. Assume the population standard
deviation is 3.3 miles per hour. At a = 0.05, can the company support the researcher's claim? Complete parts (a) through (d) below.
(a) Identify the claim and state Ho and Ha
What is the claim?
O A. The wind speed in Region A is not less than the wind speed in Region B.
O B. The wind speed in Region A is not greater than the wind speed in Region B.
O C. The wind speed in Region A is the same as the wind speed in Region B.
O D. The wind speed in Region A is less than the wind speed in Region B.
Let Region A be sample 1 and let Region B be sample 2. Identify Ho and Ha.
Ho: H1
H2
Hạ: H1
H2
(b) Find the critical value(s) and identify the rejection region.
The critical value(s) is/are zo =.
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
What is the rejection region? Select the correct choice below and fill in the answer box(es) within your choice.
(Round to two decimal places as needed.)
O A. z>
O B. z<
or z>
O C. z<
(c) Find the standardized test statistic z.
(Round to two decimal places as needed.)
Z=
(d) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.
V the researcher's claim that the wind speed in Region A is
Ho. There
V enough evidence at the 5% level of significance to
the wind speed in Region B.

e claim?
he wind speed in Region A is not less than the wind speed in Region B.
Ehe wind speed in Region A is not greater than the wind speed in Region B.
The wind speed in Region A is the same as the wind speed in Region B.
The wind speed in Region A is less than the wind speed in Region B.
gion A be sample 1 and let Region B be sample 2. Identify Ho and Ha.
H2
H2
ind the critical Vvalue(s) and identify the rejection region.
critical value(s) is/are zo = .
%3D
und to two decimal places as needed. Use a comma to separate answers as needed.)
at is the rejection region? Select the correct choice below and fill in the answer box(es) within your c
ound to two decimal places as needed.)
A. Z>
O B. z<
or z>
O C. z<
C) Find the standardized test statistic z.
||(Round to two decimal places as needed.)
) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context
V the re
Ho. There
enough evidence at the 5% level of significance to
ind speed in Region B.
Reject
Fail to reject

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