Answer:No,random sampling technique will not fit this scenario.A stratified sampling technique will be more appropriate.
Step-by-step explanation:
The random sampling technique is basically used when datas to be selected such that all members of the population has an equal chances of being selected.so any random pick is taken as a representative of the sample.
When categorization is required,then stratified sampling technique is more appropriate i.e the sample are picked careful ly from the two homogeneous classes as a representative of the sample .
Answer:
the first one!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The answer is 7/4. Hope this helps! :)
I believe that it's -150.1
Answer:
(a) 
(b) Here the intercept means that we pay 
more than 
for each text message received
(c) 145 text messages sent and 30 messages received
75 text messages sent and 50 messages received
180 text messages sent and 20 messages received
Step-by-step explanation:
Here we have
X×0.02 + Y×0.07 = 5
Therefore the equation is
b. Here the intercept means that we pay more than for each text message received
c. Other combinations are
145 text messages sent and 30 messages received
75 text messages sent and 50 messages received
180 text messages sent and 20 messages received.
