The waiting line of cars at In-N-Out Burger on Van Nuys Blvd.can get fairly long.In a recent study, you checked the length of the line 60 random times during one day.The table below shows the full set of results.Determine the "less than or equal to" cumulative frequency for an x value of 4 customers in line. 
Definitions:
Physiological
Related to the functions and processes within living organisms and their parts.
Belongingness
The human emotional need to be an accepted member of a group, whether it is family, friends, colleagues, or within a community.
Esteem
The respect, admiration, and confidence an individual has in themselves; a fundamental human need for feeling valued and validated.
Safety
The state of being safeguarded against or not prone to causing harm, peril, or damage.
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