Answer:
(-1/4)(2x +5y)
Step-by-step explanation:
Multiply and divide by -1/4:
What is the answer to the fraction 2 ⅓+⅚=
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:
C) x = -1
Step-by-step explanation:
I graphed the equation below on the graph.
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