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
Ket [755]
2 years ago
6

400 UCF students were randomly selected and asked if they preferred washing their hands with soap and water or using hand saniti

zer. 102 said they prefer to use hand sanitizer. 400 USF students were randomly selected and asked the same question. 112 said they prefer to use hand sanitizer. You want to examine the difference in the proportion of all UCF (1) and USF (2) students who prefer to use hand sanitizer.
1. Which test should be used to determine if a difference exists between the proportion of all UCF and USF students who prefer to use hand sanitizer?
a. z test for means t test for means.
b. z test for proportions paired.
c. z test for means.
d. paired t test for means.
2. Which alternative hypothesis should be used to determine if a difference exists between the proportion of all UCF and USF students who prefer to use hand sanitizer?
A. HA : mu1 - mu2 < 0.
B. HA : mu1 - mu2 is not equal to 0.
C. HA : mu1 - mu2 > 0.
D. HA : p1 - p2 < 0.
E. HA : p1 -p2 > 0.
Mathematics
1 answer:
kirill [66]2 years ago
6 0

Answer:

1. a. z test for means and t test for means.

2. C. HA : mu1 - mu2 > 0

Step-by-step explanation:

Hypothesis testing is used in a situation where there are more than 1 alternative available. The t test is conducted in the mean which determines the t value and then this value is compared with p value to identify the situation whether to accept or reject the null hypothesis. The alternative hypothesis in this situation is is represented by mu.

You might be interested in
What is the measure of
siniylev [52]

Answer:

since it goes down a certain way and it goes down then B will go the same way as a evil ghost literally down to the phone the top right to the left like see if I just a little bit shorter Jay will go all the way up to age and we will go to k

4 0
2 years ago
Given that △ABC ≅ △DEF , m∠E=3y+20, m∠B= 10 +5y, and m∠A=5y , answer the following:
Vinvika [58]

Answer:

y=5

m<A= 25

m<E= 35

Step-by-step explanation:

since <E equals <B due to CPCTC the equation:

3y+20=10+5y

is the equation

8 0
11 months ago
Pure salt is made up of sodium and chloride. Each gram
expeople1 [14]

Answer:

141.73g

Step-by-step explanation:

4 0
3 years ago
By what length is 0.5 meters less than 10.05 meters
VladimirAG [237]
10 metres will be the answer hope it helped :)
5 0
3 years ago
7c+3g=124<br><br> 4c+1g=58<br> ?
vodka [1.7K]

Answer:

2+7h 6+7k 89gfshdxgxhxgchgxhcgdchgcvgchcxgcbb

8 0
2 years ago
Other questions:
  • Plzzzz help asap lost ten u gain it asap
    12·1 answer
  • What inequality describes the situation? Let n = the number. A number exceeds 45
    5·1 answer
  • Speed in a given direction is called
    8·2 answers
  • Solve the equation for x by graphing -2x + 3 = -3(-x) - 2
    15·1 answer
  • 6y-2(y+1)=3(y-2)+6 <br> step by step
    11·1 answer
  • Simplify negative 3 over 4 divided by 2 over negative 8 .
    7·2 answers
  • Which function has the same y-intercept as the function
    14·1 answer
  • Find the y-intercept for the equation y=15x-3
    10·1 answer
  • Help me pleaseeeeeeeeeeeee
    6·2 answers
  • Use the following information to write an equation in terms of x. Then solve the equation and find RS and RT .
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!