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
Vesna [10]
3 years ago
6

I need help with my homework​

Mathematics
1 answer:
labwork [276]3 years ago
3 0

Answer:

No

Step-by-step explanation:

You might be interested in
A major airline is concerned that the waiting time for customers at its ticket counter may be exceeding its target average of 19
sertanlavr [38]

Answer:

a) Statement is true

b) Statement incorrect. Company goal is to attend customer at 190 second at the most. So test should be one tail test  (right)

c) We have to reject H₀, and differences between sample mean and the hypothesized population mean should not be attributed only to sampling error

Step-by-step explanation:

a)  as the significance level is = 0,02  that means  α = 0,02 (the chance of error type I )  and the β (chance of type error II   is

1  -  0.02  =  0,98

b) The company establishe in 190 seconds time for customer at its ticket counter (if this time is smaller is excellent ) company is concerned about bigger time because that could be an issue for customers. Therefore the test should be a one test-tail to the right

c) test statistic

Hypothesis test should be:

null hypothesis                H₀   =  190

alternative hypothesis    H₀   >  190

t(s)  =  ( μ  -  μ₀ ) / s/√n      ⇒   t(s)  = ( 202 - 190 )/(28/√100 )

t(s)  = 12*10/28

t(s)  = 4.286

That value is far away of any of the values found for 99 degree of fredom and between  α  ( 0,025 and 0,01 ). We have to reject H₀, and differences between sample mean and the hypothesized population mean should not be attributed only to sampling error

If we look table  t-student we will find that for 99 degree of freedom and α = 0.02.

3 0
3 years ago
Gloria’s mother is 2.5 times as old as Gloria. Gloria is 16 how old is her mother
Novay_Z [31]
She would be 40 years old.
6 0
3 years ago
Teresa, John, and Manuel, have a total of $101 in their wallets. Manual has 3 times what Teresa has. John has $6 more than Teres
german
Teresa has 19, Manual has 57, and John has 25

Here’s how to do it:

6 0
3 years ago
The location of point D is (7,1) the location of point F is (5,4). Determine the location of point E which is 1/3 of the way fro
IceJOKER [234]

Answer:

( 19/3 , 2 )

Step-by-step explanation:

Given in the question,

point D(7,1)

x1 = 7

y1 = 1

point F(5,4)

x2 = 5

y2 = 4

Location of point E which is 1/3 of the way from D to F

which means ratio of point E from D to F is 1 : 2

<h3>a : b</h3>

1 : 2

xk = x1 + \frac{a}{a+b}(x2-x1)

yk = y1 + \frac{a}{a+b}(y2-y1)

Plug values in the equation

xk = 7 + (1)/(1+2) (5-7)

xk = 19/3

yk = 1 + (1)/(1+2)(4-1)

yk = 2

6 0
3 years ago
Justify each step of this inequality by stating the property that was used to get to each step.
Allushta [10]

Answer:

Step-by-step explanation:

step 1 simplified like terms -11k +3k =8k

step 2 incorrect should be -4k -20 on the left side distributive property

step 3 added 8k to each side

step 4 added 20 to each side

step 5 divided each side by 4

6 0
2 years ago
Other questions:
  • A cube-shaped box has a volume of 64 cubic inches. If the box is packed full of cubes with edge lengths of 1 inch, how many cube
    5·2 answers
  • HELP!!! SEE ATTACHED
    7·2 answers
  • one number is 10 more than another. the sum of twice the smaller plus three times the larger is 55. what are the two numbers
    12·2 answers
  • What is the square root of 975
    6·2 answers
  • 9th out of 10 questions
    11·2 answers
  • Please I need help with this question!!
    12·2 answers
  • As the number of sides of a regular polygon increases what happens to the shape of the polygon?
    7·2 answers
  • Josh will take 10 tests in 5 weeks at school. How many tests will he have taken after 7 weeks?
    11·2 answers
  • What are the solutions to the nonlinear system of equations below? Check all that apply x ^ 2 + y ^ 2 = 4 (x ^ 2)/(2 ^ 2) - (y ^
    14·2 answers
  • Can some one help me
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!