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
OlgaM077 [116]
3 years ago
7

We are testing H0: µ ≤ 42; versus HA: µ > 42. When Picture = 45, s = 1.2, and n = 15, at α = .01 we do not reject the null hy

pothesis. (Assume that the population from which the sample is selected is normally distributed.)
True

False
Mathematics
1 answer:
Montano1993 [528]3 years ago
5 0

Answer:

False

Step-by-step explanation:

H0: µ ≤ 42

HA: µ > 42

S represents the sample standard deviation, then we must use the t-student test.

t-statistic formula:  

t= (xbar-m)/(S/(sqrt(n)))  

xbar: sample mean

m: hypothesized value  

S: sample standard deviation  

n: number of observations  

t=(45-42)/(1.2/sqrt(15))  

t-statistic= 9.682

The critical value from the t-student distribution with, 15-1 degrees of freedom and 1% significance level , is 2.6245

Because the t-statistic is greater than the critical value, we must reject the null hypothesis.

You might be interested in
Which expression is equivalent to (5^3)^9/5^12.PLEASE HELP IMMEDIATELY
Trava [24]

Answer:

(5³)⁹/5¹² = 1

Step-by-step explanation:

(5³)⁹/5¹²

Add the exponents

5¹²/5¹²

Divide

1

3 0
2 years ago
I need more help with 21 questions
Mariulka [41]

Answer:

45

Step-by-step explanation:

9 ÷ 1/5

9 × 5/1

9 × 5

45

7 0
3 years ago
Read 2 more answers
How to do a equation with 60 less than j. Would label it as 60--j or j--60 ??
slavikrds [6]
J -60
-----------------------------------

3 0
2 years ago
Read 2 more answers
What is pie in algebra?
Xelga [282]

Answer:

3.14

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
PLEASE HURRY AND ANSWER THIS!
Shalnov [3]

Answer:

Translate the circles so they share a common center

point, and dilate circle Y by a scale factor of 3.

Step-by-step explanation:

^^^

3 0
3 years ago
Other questions:
  • Find the hypotenuse length. <br> A. 108 in.<br> B. 110 in.<br> C. 117 in.<br> D. 14 in
    15·2 answers
  • Please help! ill give brainliest.
    8·1 answer
  • V^2-8v=0 solving quadratic equation
    13·1 answer
  • Can you simplfy 53 lower
    6·2 answers
  • OmZC &gt; mZE &gt; m2D
    5·1 answer
  • 1)Split 36 into the ratio 5:4
    5·2 answers
  • T-1 4/9+4 5/9=3 2/9. What is t equal to?<br> I NEED HELPPPP
    15·1 answer
  • PLEASE HELP!! ASAP WILL GIVE BRAIN!! AFTER SOLVING QUESTION, GIVE THE REASON(SSS
    6·1 answer
  • 1 = -4n - 3<br>What is N?​
    6·2 answers
  • If m∠10 = 70, then find the m∠14 and state the angle relationship.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!