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lbvjy [14]
3 years ago
9

192 students in 4 buses __ in each bus

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
6 0
192/4 = 48
48 students per bus
hjlf3 years ago
6 0
All of the above :) sorry i just really need points that answer has nothing to do with your question
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Help me asap ill give brainlyest How many solutions can be found for the equation 4x + 5 = 10?
Andrej [43]
There would be two solutions
8 0
2 years ago
The mean annual premium for automobile insurance in the United States is $1,499. Being from Pennsylvania, you believe automobile
timama [110]

Answer:

a) Then, t(s) is in the rejection region. We can not support that the mean annual premium in Pennsylvania is lower than the national mean annual premium

b) The point estimate of the difference is  59 $

Step-by-step explanation:

From sample we get:

sample size    n  =  25

annual mean   x  =  1440

standard deviation of the sample   s  =  150

mean for the mean annual premium    μ  = 1499

Hypothesis Test:

Null Hypothesis                      H₀           x  =   μ

Alternative Hypothesis          Hₐ           x  <   μ

Alternative Hypotesis indicates that the test is a one-tail test to the left

Let´s assume  confidence Interval 95 %    then  α  =  5 %   α = 0.05

As  n < 30 and we assume normality we will make a t-student test

degree of freedom    df  =  n  -  1    df  = 24

With df = 24  and  α = 0.05 and from t-student table we get t(c) =  - 1.711

To calculate t(s) we apply:

t(s)  =  (  x  -  μ ) / s/√n

t(s)  =  ( 1440  -  1499 ) * 5 / 150

t(s)  =  - 59/ 30

t(s)  =  - 1.96

Comparing t(s)  and t(c)  

|t(s)| > |t(c)|

Then, t(s) is in the rejection region. We can not support that the mean annual premium in Pennsylvania is lower than the national mean annual premium.

b) The point estimate for the difference is :   x  - μ  =  59 $

3 0
2 years ago
Can anybody answer this equation? // please make sure to have details
mixer [17]
I think it’s B i hope this is correct have a great day :)
6 0
3 years ago
A trangle has a 30 angle and a 55angle .what is the other angle ?how do you know?​
algol [13]

Answer:

95°

Step-by-step explanation:

  • <em>Sum of 3 angles of a triangle equals to 180°</em>

<u>Here we have angles of 30° and 55°, so the remaining angle is:</u>

  • 180° -(30° + 55°) = 95°
5 0
3 years ago
Given the conditional statement:
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3 years ago
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