Answer:
the answer is 31.42
Step-by-step explanation:
Answer:
2/-3
Step-by-step explanation:
Answer:
Step-by-step explanation:
Raising e to both sides cancels out the natural logarithm on the left side and we have our exponential form. This works with other bases (recall that the natural logarithm, ln, has base e)
Given the population mean is 
and population standard deviation is 
.
Now sample mean is 
and standard deviation of the sample mean is 
.
Use Z-score for finding the probabilities. Use a standard normal distribution table.
a)The probability
b)The probability
c)The probability
Answer:
Proportion of chocolate in biscuit tin = 5:7
Step-by-step explanation:
Given:
Number of chocolate in biscuit tin = 10
Number of shortbread biscuits in biscuit tin = 4
Find:
Proportion of chocolate in biscuit tin
Computation:
Proportion of chocolate in biscuit tin = Number of chocolate in biscuit tin / Total product in biscuit tin
Proportion of chocolate in biscuit tin = 10 / [10 + 4]
Proportion of chocolate in biscuit tin = 10 / 14
Proportion of chocolate in biscuit tin = 5:7
