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nataly862011 [7]
3 years ago
13

jack sets up a security camera in his back yard to take automatic pictures every 15 minutes. If the first picture is taken at 10

p.m., and jack shuts the camera off at 2 a.m., how many pictures will jack have ?
Mathematics
1 answer:
nata0808 [166]3 years ago
8 0

Answer:

16

Step-by-step explanation:

an hour is 60 minutes, 60 (an hour) divided by 15 (Everytime it takes a picture) is 4. 10 pm to 2 am is 4 hours, 4 times 4 is 16, 16 pictures.

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adoni [48]
Hi there!
I  believe the answer is $300.

Why?

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I hope this helps.
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Flauer [41]

Answer:

Choice C

Step-by-step explanation:

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There are 80 sixth graders, 90 7th graders, and 70 8th graders at your school. Every student gets entered in a raffle. What is t
Basile [38]

Answer:

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Step-by-step explanation:

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4 years ago
Select the correct answer. Which pair of statements correctly compares the two data sets? A. The difference of the means is 1. T
Readme [11.4K]

Answer:

For this case since the p value is higher than the significance level we can FAIL to reject the null hypothesis and we can conclude that the true means are NOT significantly different at 10% of significance.

Step-by-step explanation:

Information provided

represent the mean for sample 1  

represent the mean for sample 2  

represent the sample standard deviation for 1  

represent the sample standard deviation for 2  

sample size for the group 2  

sample size for the group 2  

Significance level provided

t would represent the statistic

Hypothesis to test

We want to verify if the true means for this case are significantly different, the system of hypothesis would be:  

Null hypothesis:  

Alternative hypothesis:  

The statistic is given by:

(1)  

And the degrees of freedom are given by    

Replacing the info given we got:

 

The degreess of freedom are given by:

Now we can calculate the p value with the following probability:

 

For this case since the p value is higher than the significance level we can FAIL to reject the null hypothesis and we can conclude that the true means are NOT significantly different at 10% of significance.

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
What is the equation
Neporo4naja [7]
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4 years ago
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