Answer:
9
Step-by-step explanation:
2x+3=3x-6
6+3 = 3x - 2x
x = 9
I hope im right!!
Answer:
225 rs
Step-by-step explanation:
cost of 1 pen = 20 rs
total cost of 4 pens = 20×4= 80 rs
cost of 1 pencil = 5 rs
total cost of 5 pencils = 5×5 = 25 rs
cost of 1 box = 60 rs
total cost of 2 boxes = 60×2 = 120 rs
Total= 80+25+120 = 225 rs
Answer:
C. The given value is a statistic statistic for the year year because the data collected represent a sample sample.
Correct. The value reported is an statistic since represent a SAMPLE of the population of interest.
Step-by-step explanation:
The sample mean obtained was :

A. The given value is a parameter parameter for the year year because the data collected represent a population population.
False. The data colected represent a sample of the population of interest, so for this case is not a parameter because we don't have the information about all the population of interest.
B. The given value is a parameter parameter for the year year because the data collected represent a sample sample.
False. First the sample average is not a parameter, and second the population mean is not equal to the sample mean most of the times.
C. The given value is a statistic statistic for the year year because the data collected represent a sample sample.
Correct. The value reported is an statistic since represent a SAMPLE of the population of interest.
D. The given value is a statistic statistic for the year year because the data collected represent a population.
False. If is an statistic can't represent the population, since the parameter represent the population not the statistic.
Answer:
I helped
Step-by-step explanation:
you okay do can I get some points cuh