number 5 is not and number 7 is a function because every input has exactly one output
Answer:

Step-by-step explanation:
-Given the boundaries as 0.412 and 0.878
-
is the point estimate for the population proportion and is calculated as follows:

#The margin of error, ME can be calculated for the confidence intervals using the formula:

#The number of individuals in the sample is the product of the point estimate and population size:

Hence, there are 645 individuals in the sample.
STAN TXT AND STREAM IF BORED
Answer:
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Step-by-step explanation:
You must mean the depth of the submarine.
to make sum = zero the depth of the sub must be -1600 ft..