Answer:
Decision rule
Reject null hypothesis
Conclusion
There is significance evidence that the true mean is different from 0.86
Step-by-step explanation:
From the question we are told that
The population mean 
The sample is mean is 
The standard deviation is 
The level of significance is 
The sample size n = 3
The null hypothesis is 
The alternative hypothesis is 
Generally the test statistics is mathematically represented as

=> 
=>
Generally p- value is mathematically represented as

From the z-table

So

=> 
From the obtained question we see that
Hence we reject the null hypothesis
Answer:
if i'm doing it right then sin p, but i'm not entirely sure...sorry
Step-by-step explanation:
A linear regression equation is a line so it has a form of y = mx + b, which is an equation of a line. You will also see it as Y = a + bX. In the form of Y= a +bX the b is the slope.
There are different methods to fitting a line and the most common method is the method of least-squares.
The hundredth's place is the second number after the decimal. In order to round to such place, you look at the number after it. For example, the number in the hundredth's place in 47.9025 is 0. In order to round, you must look at the number after it, in this case 2. Since 2 is less than 5, the 0 will not be rounded up and remain 0. The answer to your particular question is 12.58.
4.77x10= 47.7/9 = 5.30. 1 pound cost $5.30