Answer:
Yes
Step-by-step explanation:
Because its the square root of 12
That would be 0.9 because 9 is in the tenths place
Answer:
A. 3(x-5)
Step-by-step explanation:
USE M-A-T-H-W-A-Y
If inspection department wants to estimate the mean amount with 95% confidence level with standard deviation 0.05 then it needed a sample size of 97.
Given 95% confidence level, standard deviation=0.05.
We know that margin of error is the range of values below and above the sample statistic in a confidence interval.
We assume that the values follow normal distribution. Normal distribution is a probability that is symmetric about the mean showing the data near the mean are more frequent in occurence than data far from mean.
We know that margin of error for a confidence interval is given by:
Me=
α=1-0.95=0.05
α/2=0.025
z with α/2=1.96 (using normal distribution table)
Solving for n using formula of margin of error.
n=
=96.4
By rounding off we will get 97.
Hence the sample size required will be 97.
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The given question is incomplete and the full question is as under:
If the inspection division of a county weights and measures department wants to estimate the mean amount of soft drink fill in 2 liters bottles to within (0.01 liter with 95% confidence and also assumes that standard deviation is 0.05 liter. What is the sample size needed?
Answer:
The probability that a child with a rash does not have a fever is 22%
Step-by-step explanation:
1. Probability of having fever:
2. Probability of not having fever:
3. Probability of fave fevers and a rash:
4. Probability of having a rash but not a fever:
5. Probability of having a rash:
6. Probability a child with a rash does not have a fever
22% of the child at the doctor's office with a rash does not have a fever.