Answer:
The correct option is 1.
Step-by-step explanation:
The total number of patient is 80 and out of these patients 9 patients had their teeth whitened.
The confidence interval is 95%.
The probability of patient had teeth whitened is
The z-score for 95% confidence interval is 1.96.
The confidence limit is defined as
These values are in percent.
Therefore option 1 is correct.
6 or should be I really don’t know
Answer:
It is 33.18
Step-by-step explanation: first you do 0.05 x 4= 0.2 then you add all the other number which = 33.18
Answer:
4y^3/2
Step-by-step explanation:
The 4 will remain 4 so we'll leave that alone. √y³ can be written as y^3/2. The way I like to remember how to write fractional exponents is that the index of the radical is the denominator of the fractional exponent and the exponent inside the radical is the numerator.
Question 1:
Perimeter = 18ft
area = 15ft²
Question 2:
Perimeter = 11m
Area = 7.5m²