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Umnica [9.8K]
4 years ago
6

A restaurant chain wants to change their oil from peanut oil to canola oil in order to save money. However, the restaurant wants

to survey their customers to see which oil they prefer. For one month, the restaurant serves food cooked in peanut oil and for the next month they serve food cooked with canola oil. Surveys are sent out with guests which ask to rate their fried food on a scale of 1 to 7. The results of the returned surveys are given below. Is there enough evidence to conclude that there is no difference in the satisfaction level of the customer? Use a level of significance of 2%.
Peanut Oil Canola Oil
n1 = 108 n2 = 87
x⎯⎯1x¯1 x⎯⎯2x¯2
s1 = 2.25 s2 = 3.18

1. What is the p-value for this hypothesis test? Round your answer to four decimal places.

In tests of a computer component, it is found that the mean time between failures is 937 hours. A modification is made which is supposed to increase reliability by increasing the time between failures. Tests on a sample of 36 modified components produce a mean time between failures of 960 hours, with a standard deviation of 52 hours. Is there enough evidence to support the claim that, on average, the modified components last longer than 937 hours between failures? Use a level of significance of 5%.

2. What is the p-value for this hypothesis test? Round your answer to four decimal places.
Mathematics
1 answer:
yulyashka [42]4 years ago
3 0

Answer:

yes

Step-by-step explanation:

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Can u pls help me with this question ​
Lostsunrise [7]

Answer:

We can see that point (2, 20) represent the amount of calories she/he has had in the last 2 minutes. Therefore, to find how many she has had per minute follow like so:

2:20

2/2:20/2

1:10

She has 10 calories per minute

Step-by-step explanation:

3 0
3 years ago
Q.8 What is the tail length?
Arlecino [84]
If I'm correct you should make a fraction first
5.4            3.6
-----    to    -----
4.8              ?

Now find the missing number
5.4 to 3.6 would be a difference of ÷ 1.5 so you must do the same for 4.8
     
           ÷<span>1.5   </span>
5.4               3.6
-----       to    -----
4.8                3.2
           ÷1.5

The tail length should be 3.2 feet
3 0
4 years ago
Someone help me find this answer
Vanyuwa [196]
Finding the perimetre: 7x+4x-3+x=12x-3

Good luck!
5 0
3 years ago
Which inequality is true if p=3.4
Serga [27]

Answer:

None of the inequalities are correct if p = 3.4

Step-by-step explanation:

Mathematical inequality is an order relation proposition existing between two algebraic expressions connected through the signs: unequal than ≠, greater than>, less than <, less than or equal to ≤, as well as greater than or equal to ≥, resulting in both expressions of different values. That is, an inequality is a relationship that exists between two quantities or expressions and, which indicates that they have different values.

To check an inequality, you must replace the inequality variable with the value of the solution.  In this case, being p=3.4, you must do it with each of the inequalities, as shown below:

A. 3p<10.2 ⇒ 3*3.4<10.2 ⇒ 10.2 <10.2  

This inequality is not true, because 10.2 is not less than 10.2, but they are equal.

B. 13.6<3.9p ⇒ 13.6<3.9*3.4 ⇒ 13.6<13.26  

This inequality is not true, because 13.6 is greater than 13.26 and not less as the inequality shows.

C. 5p>17.1 ⇒ 5*3.4 >17.1 ⇒ 17 > 17.1  

This inequality is not true, because 17 is less than 17.1 and not greater as the inequality shows.

D. 8.5> 2.5p ⇒ 8.5 >2.5*3.4 ⇒ 8.5 > 8.5

This inequality is not true, because 8.5 is not less than 8.5. These values ​​are the same.

<em><u>None of the inequalities are correct if p = 3.4</u></em>

7 0
3 years ago
PLEASE HELP WITH THESE QUESTIONS I WILL MARK YOU BRAINLIEST!!! HELP I HAVE 5 MINSSSSS
jekas [21]
Sorry I don’t no anything about school
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4 years ago
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