In a national survey on substancein a national survey on substance abuse commaabuse, modifying 66.4 % with underline66.4% of res
pondents who were full dash timeof respondents who were full-time college students aged 18 to 22 reported using alcohol within the pastcollege students aged 18 to 22 reported using alcohol within the past month.month. nothing is the value a parameter or a statistic?
The term ‘survey’ in statistics refers to a method of inferring some information about a population by collecting data from a sample that is from the same population.
The numerical inferences from a <u>sample are known as statistics</u>, while the numerical inferences from a <u>population are known as parameters.</u>
Since the study referred to in the question above is a survey, the numerical value given above is a statistic.
<u>1. Johann is looking to double the profits of his lemonade stand</u>
Explanation:
Note that Johann was<em> still making m</em>oney from lemonade stand but was not content with the profits he was making that was his argument or reason for increasing the price of a cup of lemonade from 25 cents to 50 cents.
<em>Without having forsight</em> Johann's decision eventually resulted in him selling fewer cups at the new price and therefore making less money than before.
Principal Amount P = $ 48000 Rate of interest r = 6% = 0.06 Time interval t = 7 Formula for Interest I = P x r x t => I = 48000 x 0.06 x 7 => I = 2880 x 7 Total Interest for seven years would be $20,160
