1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zepelin [54]
3 years ago
10

A real estate company is interested in testing whether the mean time that families in Gotham have been living in their current h

omes is less than families in Metropolis. Assume that the two population variances are equal. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes.
Gotham: XG = 35 months, SG2 = 900 Metropolis: XM= 50 months, SM2 = 105

Q1: Referring to Scenario 10-3, suppose ΅ = 0.10. Which of the following represents the result of the relevant hypothesis test?

A) The null hypothesis is rejected.

B)The alternative hypothesis is rejected.

C) The null hypothesis is not rejected.

D) Insufficient information exists on which to make a decision.

Q2: Referring to Scenario 10-3, suppose a = 0.10. Which of the following represents the correct conclusion?

A) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.

B)There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.

C) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.

D) There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.

Q3:Referring to Scenario 10-3, suppose ΅ = 0.01. Which of the following represents the correct conclusion?

A) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.

B)There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.

C) There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.

D) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.
Mathematics
1 answer:
In-s [12.5K]3 years ago
5 0

Answer:

the answer d , the second answer is b, the third answer is b,

Step-by-step explanation:

You might be interested in
Write as an algebraic expression
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

well the answer to 14 is 7 and for 16 its 6

5 0
2 years ago
Factor the trinomial below.
arsen [322]
Option C is your answer. 

9x² + 6x + 1
9x² + 3x + 3x + 1
3x(3x + 1) + 1(3x + 1)

(3x + 1)(3x + 1)
5 0
3 years ago
Ax+bx-c=0 x= _/(a __)
Ulleksa [173]
Ax+bx−c=0

Step 1: Add c to both sides.

ax+bx−c+c=0+c

ax+bx=c

Step 2: Factor out variable x.

x(a+b)=c

Step 3: Divide both sides by a+b.

x(a+b)a+b=ca+b

x=ca+b

4 0
3 years ago
Read 2 more answers
A door measuring 72cm by 1.8m was manufactured by a carpenter who prepared it using 74cm by 1.82m. Find the percentage error in
pantera1 [17]

Step-by-step explanation:

so a door is a rectangle and they want the answer in breadth 72 cm and 74cm into m

then divie it by by

8 0
2 years ago
The force f acting on a charged object varies inversely to the square of its distance r from another charged object. When 2 obje
o-na [289]

Answer:    The force, F, acting on a charged object varies inversely to the square of its distance, r, from another charged object. When the two objects are 0.64 meter apart, the force acting on them is 8.2 Newtons

Step-by-step explanation: )

7 0
3 years ago
Other questions:
  • What is 60% of $49000?
    9·2 answers
  • Alex recently bought some new video games for the following prices: 24.00,36.00,50.00,44.00 If the sales tax is 8% , find the me
    8·1 answer
  • Use a transformation to solve the equation. b + 0.6 = –1
    5·1 answer
  • Solve the following equation by completing the next two lines (showing all work )<br> X + 6 = 10
    6·1 answer
  • Hii please help i’ll give brainliest!!
    14·1 answer
  • What is the slope of a line that passes through the two points (8,3) and (4,9)?
    8·1 answer
  • Here look at this meme
    7·2 answers
  • One day, the weather report shows that boston is experiencing a temperature of -27 degrees, while london is experiencing a tempe
    14·1 answer
  • In ∆XYZ, m∠X = 152, y = 15, and z = 19. Find side x and the measure of angle Y to the nearest tenth
    14·1 answer
  • Quick algebra 1 question for 50 points!
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!