According to the manager of a grocery store at least 70% of the customers are satisfied the quality of the service. To i

[answerhappygod]

According to the manager of a grocery store at least 70% of the
customers are satisfied the quality of the service. To investigate
whether this statement is valid, the owner of the store asked a
sample of 200 shoppers whether they were satisfied with the quality
of the service. If the sample showed 126 stating that they were
satisfied with the quality of
the service. (Important:
use 4 decimal places in your calculations)