Final answer:
To find the value of p and the exact value of N in a continuous series with given mean, we set up an equation and solve for p. Then, we substitute the value of p into the equation to find N.
Step-by-step explanation:
To find the value of p and the exact value of N in this continuous series, we'll use the given information. The mean of the series is 20, which means that the sum of all the values divided by the total number of values is 20. So, we have the equation:
20 = (800 + 15p) / (10 + p)
We can solve this equation to find the value of p. After that, we can substitute the value of p into the equation N = 10 + p to find the exact value of N.
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