Hi there! :)
Step-by-step explanation:
<u><em>Therefore, the slope is 2.</em></u>
<u><em>Final answer is 2.</em></u>
<u><em>*The answer must have a positive sign.*</em></u>
I hope this helps you!
Have a nice day! :)
:D
-Charlie
Thank you! :)
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Help please
2 answers:
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Answer:
a) 0.71
b) 0.9863
Step-by-step explanation:
a. Given the mean prices of a house is $403,000 and the standard deviation is $278,000
-The probability the probability that the selected house is valued at less than $500,000 is obtained by summing the frequencies of prices below $500,000:
Hence, the probability of a house price below $500,000 is 0.71
b. -Let X be the mean price of a randomly selected house.
-Since the sample size 40 is greater than 30, we assume normal distribution.
-The probability can therefore be calculated as follows:
Thus, the probability that the mean value of the 40 houses is less than $500,000 is 0.9863
Answer:
that is the solution to the question
