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
defon
3 years ago
10

You suspect that freshmen from Utah cook dinner for themselves a different number of times than freshmen from Colorado. Perform

a hypothesis test to determine if your suspicion is correct. The null hypothesis is LaTeX: H_0: ~ \mu_1=\mu_2H 0 : μ 1 = μ 2. Use a level of significance of LaTeX: \alpha = 0.05α = 0.05. What is the appropriate alternative hypothesis?
Mathematics
1 answer:
Serga [27]3 years ago
6 0

Answer:

Null hypothesis: \mu_{U} - \mu_{C}= 0

Alternative hypothesis: \mu_{U} - \mu_{C} \neq 0

Or equivalently:

Null hypothesis: \mu_{U} = \mu_{C}

Alternative hypothesis: \mu_{U} = \mu_{C}

Step-by-step explanation:

Previous concepts

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".

Solution to the problem

Let \mu_U the mean observed for Utah and \mu_C the mean observed for Colorado.

On this case we want to test is \mu_{U}=\mu_{C} but we can rewrite this expression like this:

And  on this case the last statement needs to be on the alternative hypothesis, and the complement in the null hypothesis

So the correct system of hypothesis for this case would be:

Null hypothesis: \mu_{U} - \mu_{C}= 0

Alternative hypothesis: \mu_{U} - \mu_{C} \neq 0

Or equivalently:

Null hypothesis: \mu_{U} = \mu_{C}

Alternative hypothesis: \mu_{U} = \mu_{C}

You might be interested in
Please help me with this ASAP Don’t ANSWER With links please ****
Lemur [1.5K]

Given:

Radius of the cone = 6

Slant height of the cone = 10

To find:

The lateral area, surface area and volume of the cone.

Solution:

Let h be the height of the cone. By Pythagoras theorem, we get

10^2=(6)^2+h^2

100=36+h^2

100-36=h^2

64=h^2

Taking square root on both sides, we get

\sqrt{64}=h

8=h

The lateral area of a cone is:

A_L=\pi rl

A_L=\pi (6)(8)

A_L=48\pi

The surface area of a cone is:

A_S=\pi rl+\pi r^2

A_S=\pi (6)(8)+\pi (6)^2

A_S=48\pi +36\pi

A_S=84\pi

Volume of cone is:

V=\dfrac{1}{3}\pi r^2h

V=\dfrac{1}{3}\pi (6)^2(8)

V=\dfrac{288}{3}\pi

V=96\pi

Therefore, the lateral area of a cone is 48\pi sq. units, the surface area of a cone is 84\pi sq. units and the volume of the cone is 96\pi cubic units.

7 0
3 years ago
1. If you were to shade all the numbers that are divisible by 2 and by 3 in this multiplication table which rows would be comple
Inessa05 [86]

Answer:

The ones that are divisible by 6

Step-by-step explanation:

If it is even, divisible by 2

If the sum of digits is divisble by 3, it would be divisible.

These examples are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96.

You are welcome,

Kayden Kohl

8th Grade

7 0
3 years ago
How many unique ways are there to arrange the letters in the word FANCY?
lianna [129]

Answer:

5!= 120

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Kylie has lemon and watermelon in a ratio of 10:71. How many watermelon does she have if she has 20 lemons
kkurt [141]

Answer:

She will have 142 watermelons

Step-by-step explanation:

First let's put our ratio

10 : 71

Since our lemons are now 20 instead of 10 we will divide 20 by 10 to see how many time we multiplied it by.

20 \div 10

which equals 2

To find our water melon we will multiply it by 2

71 \times 2

which equals 142

She will have 142 watermelons

7 0
3 years ago
HELP ASAP HELP PLZ!!!!!!!!!!<br><br> if pic don't come thru wait for me to edit it
Vanyuwa [196]
Your answer will be the 1st one because it says the distributice property and that is when you multiply a number outside a parenthesis and the number one shows that and also as the right numbers, because 2 fits in 34 seventeen(17) times and 2 fits in 16 eight(8) times, so your answer would be 2(17+8)

Hope this helps
5 0
3 years ago
Other questions:
  • A resturant reserved 85 halves of cantaloupe during a busy weekend. How many whole cantaloupes is this?
    5·1 answer
  • What is the mean mark in5,8,4,3,7,6,2,9 and 1​
    11·2 answers
  • Determine the slope and y - intercept of the line represented by the equation y = 13/6 x -8
    11·1 answer
  • If the vertices of triangle QRS have coordinates Q(1, −2), R(3, −2), and S(2, −4), which coordinates are the coordinates of the
    9·1 answer
  • Solve each equation by taking square roots<br> v^2=45<br><br> a^2=-56<br><br> b^2+10=-4
    8·1 answer
  • PLEASE HELP ASAP?!!!!!!!
    12·1 answer
  • Divide 12x4y4 by 3x2y
    9·1 answer
  • Point s and point t are located at -6, 13 and 8, 13 on the coordinate plane what is the distance between the two points
    9·1 answer
  • What is the coefficient of the first time in 6x^7-5x^3+9x^2-1
    15·1 answer
  • Grammy is buying a pair of Jeans that regularly cost $40. They are on sale for 20% off.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!