Answer:
A= 40+.45m
Step-by-step explanation:
A= plan a
40=$40 fee
.45m= .45 per minute
answer key
78.4
Step-by-step explanation:
Multiply 7 x 4 =28
Then Multiply 28 x 2.8 = 78.4
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U should be able to subtract off the plot but if not you have to trace them with invertables
Answer: C. Stratification
Step-by-step explanation: There are diverse samping techniques employed for statistical purposes depending on the tipe and nature of data available or other factors. When a data population is sampled in sects such that the entire data is divided into a equals groups at a fixed intervals based on a certain criteria, it is called stratified sampling. Here, data is divided into strata, with each stratum containing a fixed amount of samples with each partition taking place at regular interval. In the scenario stratification process is employed by sampling at a fixed and regular interval, however, the random nature of the data is not violated.
4/20 students say S.S. is their favorite
75% say PE is their favorite
you need to get them in the same conditions, one is fraction, and one is percent
4/20= ?% /100 4 __ cross multiply on paper
20 100
4x100= 400/20=20
20% say s.s. is their favorite
20% is smaller than 75%
expresson: 4
20< 75%
