Answer:
I believe it is C
Step-by-step explanation:
Answer:
4.9
Step-by-step explanation:
Plug in 13 and 2 for each variable separately to get 0.7(13) - 2.1(2). 0.7 multiplied by 13 equals to 9.1 and 2.1 multiplied by 2 equals 4.2. Subtract 4.2 from 9.1 to get your final answer which is 4.9.
In three months the food bill will be $210 this is because
120x.25=30
30x3=90
120+90=210
Answer:
1020
Step-by-step explanation:
1200*.15=180
Then
1200-180=1020 Ans
Complete Question
The complete question is shown on the first uploaded image
Answer:
The null hypothesis is rejected this means that 
The 95% confidence interval is
Step-by-step explanation:
From the question we are told that
The standard deviation is s= 0.0001
The sample size is n = 25
The sample mean is 
The population mean is 
The null hypothesis is 
The alternative hypothesis is 
The test statistics is mathematically represented as


So the p-value from the z-table is mathematically represented as


seeing that
we reject the null hypothesis
The critical value of
obtained from the normal distribution table is

The margin of error is mathematically represented as

=> 
=> 
The 95% confidence level is mathematically represented as

=> 
=>