You want to estimate the mean amount of time college students spend on the Internet each month. How many college students must y
1 answer:
Answer:
752.95
Step-by-step explanation:
Data provided in the question
The standard deviation of population = 210
The Margin of error = 15
The confidence level is 75%, so the z value is 1.96
Now the required sample size is
= 752.95
Hence, the number of college students spends on the internet each month is 752.95
Simply we considered the above values so that the n could come
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The answer is 34.05
The total distance (D) is the sum of three distances (d1, d2, and d3).
The distance formula is
Distance 1: Phoenix (–12, –16) to Blythe (–20, –9)<span>:
</span>
Distance 2: Blythe (–20, –9) to Los Angeles (–33, –4):
Distance 3: Los Angeles (–33, –4) to <span>San Francisco (–36, 5)
</span>
<span>
D = d1 + d2 + d3 = 10.63 + 13.93 + 9.49 = 34.05</span>
The total distance (D) is the sum of three distances (d1, d2, and d3).
The distance formula is
Distance 1: Phoenix (–12, –16) to Blythe (–20, –9)<span>:
</span>
Distance 2: Blythe (–20, –9) to Los Angeles (–33, –4):
Distance 3: Los Angeles (–33, –4) to <span>San Francisco (–36, 5)
</span>
<span>
D = d1 + d2 + d3 = 10.63 + 13.93 + 9.49 = 34.05</span>