Answer:
2/20 = 0.1
Step-by-step explanation:
- 2/5 × 1/4
- 2×1/5×4
- 2/20
The answer is A, $1.28 You can find this by taking the total amount Shelley spent and dividing it by the total number of avocados she bought.
Answer:
Calculators from the beginning of the third week to the end of the fourth week = 4048.
Step-by-step explanation:
We know that the rate of production of these calculators after t weeks is given by

To find the number of calculators that have been produced in a period, we need to take the integral of the function above; the desired time is t=2 (beginning of third week) to t=4 (end of the fourth week). Therefore, the number of calculators produced in the given time is

Substitute
and
, observe that the limits of integration will change

≈ 4048
Answer: No Solution
Step-by-step explanation: The Answer Is No Solution.
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Answer:
The confidence interval for the population mean μ is 
Step-by-step explanation:
Given :
Number of weights of newborn girls n=185.
Mean
hg
Standard deviation s=7.5 hg
Use a 95% confidence level i.e. cl=0.95
To find : What is the confidence interval for the population mean μ?
Solution :
Using t-distribution,
The degree of freedom 


The t critical value is t=1.973.
The confidence interval build is

Substitute the values,





Therefore, the confidence interval for the population mean μ is 