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Len [333]
3 years ago
13

Help meeeee plzzzzzzz

Mathematics
1 answer:
klasskru [66]3 years ago
6 0
The mean is 2.56 or 3 if you round up. you add all the numbers and then divide the answer by however many numbers there were.
You might be interested in
A university administrator was interested in determining if there was a difference in the distance students travel to get from c
eduard

Answer:

1) Fail to reject the Null hypothesis

2) We do not have sufficient evidence to support the claim that the mean distance students traveled to school from their current residence was different for males and females.

Step-by-step explanation:

A university administrator wants to test if there is a difference between the distance men and women travel to class from their current residence. So, the hypothesis would be:

H_{o}: \mu_{F}-\mu_{M}=0\\\\ H_{a}: \mu_{F}-\mu_{M}\neq 0

The results of his tests are:

t-value = -1.05

p-value = 0.305

Degrees of freedom = df = 21

Based on this data we need to draw a conclusion about test. The significance level is not given, but the normally used levels of significance are 0.001, 0.005, 0.01 and 0.05

The rule of the thumb is:

  • If p-value is equal to or less than the significance level, then we reject the null hypothesis
  • If p-value is greater than the significance level, we fail to reject the null hypothesis.

No matter which significance level is used from the above mentioned significance levels, p-value will always be larger than it. Therefore, we fail to reject the null hypothesis.

Conclusion:

We do not have sufficient evidence to support the claim that the mean distance students traveled to school from their current residence was different for males and females.

7 0
3 years ago
D 3. Which side in the smallest triangle would correspond with RS in the largest triangle?
Morgarella [4.7K]
P I hope this helps sorry if it didn’t
8 0
2 years ago
I don't understand the bottom part
frutty [35]
For the bottom you see if the numbers are prime or composite 
 3 is prime
 5 is prime
 7 is prime
4 0
3 years ago
                                                      NEED HELP??
vfiekz [6]
The simple interest formula is A = P(1 + rt) in which A is the total of money after interest, P is your principal (starting) amount, r is the interest rate, and t is the amount of time. 
For 1), plug in your variables to get  A = 1500(1 + (7/100*1.5)). Simplify, and you'll get A = 1500*1.105, and finally your answer, $1,657.50.

<span>For 2), add your interest and principal amount, then plug in your variables to get 676 = 520(1 + 5r). Distribute to get 676 = 520 + 2600r. Subtract 520 from 676 to get 156 = 2600r, then divide both sides by 2600 to get a rate of 0.06, or 6%. 

For 3), add your interest and principal amount, then plug in your variables to get 1599 = 1300(1 + 5.75t). Distribute to get 1599 = 1300 + 7475t. Subtract 1300 from both sides to get 299 = 7475t, and then divide both sides by 7475 to get .04 = t, or a time period of four years. 

The other two problems can be solved using the formula and steps described above. If you still need help with them, leave a comment and I will solve those as well. </span>
8 0
3 years ago
Read 2 more answers
By switching service providers, a family's monthly bill decreased from $57 in May to $35 in June. The monthly bill from May to J
Zolol [24]
=38.59649123%
=38.6%, cor to 3sf
7 0
3 years ago
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