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
andreyandreev [35.5K]
3 years ago
13

Which statement most reasonably explains the hours when zero calls were received? Medera turned the phone off while playing in a

soccer game. Medera's phone can only receive 22 calls a day. Medera only receives calls in clusters. Medera lost her phone for two hours.
Mathematics
1 answer:
prisoha [69]3 years ago
7 0

Answer:

Medera turned the phone off while playing in a soccer game.

Step-by-step explanation:

From the possible scenarios provided the one that would indicate this would be when Medera turned the phone off while playing in a soccer game. This is because since her phone was off it was not getting any phone signal which means that no incoming calls would have been received during that time. When Medara lost her phone for two hours, even though she did not have it on her the phone was still on and connected to a network which means that the calls were coming in.

You might be interested in
Ursula's triangle has vertices at F(−7,−8), G(−6,−3), and H(5,6). If she translates her triangle 6 units down and 4 units to the
kompoz [17]

new F=(-7-4,-8-6)= (-11,-14)

new G= (-6-4,-3-6) = (-10,-9)

new H= (5-4,6-6) = (1,0)

4 0
4 years ago
jacob bought company stock when it was $62.51 a share. In one year the stock increased to $79.56 a share. how much did the stock
Ket [755]
$79.56- $62.51= $17.05.

The stock increased $17.05 in one year~
6 0
4 years ago
Read 2 more answers
a 2015 Gallup poll of 1,627 adults found that only 22% felt fully engaged with their mortgage provider ?
Gala2k [10]

Answer:

1. The population of interest on this case is people who felt fully engaged with their mortgage provider

2. On this case the sample size is 1627 the number of people sample selected.

3. ME=1.96\sqrt{\frac{0.22 (1-0.22)}{1627}}=0.0201    

4. The 95% confidence interval would be given (0.1999;0.2401).  

5. We are confident 95% that the true proportion of proportion is between 0.1999 and 0.2401.

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The population proportion have the following distribution

p \sim N(p,\sqrt{\frac{p(1-p)}{n}})

1. What is the population?

The population of interest on this case is people who felt fully engaged with their mortgage provider

2. What is the sample size?

On this case the sample size is 1627 the number of people sample selected.

3. What is the 95% margin of error?

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 95% of confidence, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

z_{\alpha/2}=-1.96, z_{1-\alpha/2}=1.96

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

If we replace we got:

ME=1.96\sqrt{\frac{0.22 (1-0.22)}{1627}}=0.0201    

4. What is the 95% confidence interval?

The confidence interval would be given by this formula  

\hat p \pm z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}  

For the 95% confidence interval the value of \alpha=1-0.95=0.05 and \alpha/2=0.025, with that value we can find the quantile required for the interval in the normal standard distribution.  

z_{\alpha/2}=1.96  

And replacing into the confidence interval formula we got:  

0.22 - 1.96 \sqrt{\frac{0.22(1-0.22)}{1627}}=0.1999  

0.22 + 1.96 \sqrt{\frac{0.22(1-0.22)}{1627}}=0.2401  

And the 95% confidence interval would be given (0.1999;0.2401).  

5. Express your answer to 4 in a meaningful sentence.

We can conclude this:

We are confident 95% that the true proportion of proportion is between 0.1999 and 0.2401.

7 0
3 years ago
Write an equivalent expression for (3x + 1) (x +2)<br> distributive property
Kamila [148]
Your answer would be (4x + 3)
4 0
2 years ago
F(x)= x^2<br><br> What is f(x) + f(x) + f(x)?
Alik [6]

Answer:

3x^2

Step-by-step explanation:

since f(x)= x^2, We can substitue for x^2 + x^2 + x^2

7 0
3 years ago
Read 2 more answers
Other questions:
  • Conor buys 75 tokens for games at the arcade. The price to play each game is 3 tokens. If Conor has already played x games, whic
    10·1 answer
  • PLEASE HELP!! WILL GIVE BRAINLIEST
    6·1 answer
  • Two students were asked if they liked to read. Is this a good example of a statistical question? Why or why not? A Yes, this is
    10·2 answers
  • How to find if a problem is proportional or non proportional relationship
    13·1 answer
  • Plz help!!!!!!!! It’s timed
    5·2 answers
  • The container that holds the water for the football team is 1/2 full. After pouring out 3 gallons of water, it is 1/3 full. How
    15·2 answers
  • The answer to the problem
    11·1 answer
  • If cats are mammals and so are dogs, then why is my grass yellow
    7·1 answer
  • Please help me with this I’ll give brainlist
    13·1 answer
  • The cylinder shown has a volume of 733 cubic inches.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!