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there are infinite numbers which are at a distance of √17 from origin.
Example: 4+i, 1+4i, 17i, 3+2√2i, 4-i etc
Answer:
9/2 or 4.5
Step-by-step explanation:
3/4x=6
4x=6x3
x=18/4
x=9/2 or 4.5
Answer:
Brodie drank 70 milliliters
Step-by-step explanation:
280 divided by 4 equals 70
To check: 70 x 4 = 280
Answer:
It is failed to reject the null hypotehesis. There is no enough evidence that the proportion of investors who are risk-averse is not 0.6.
Step-by-step explanation:
We have to perform an hypothesis test of a proportion.
The null and alternative hypothesis are:
We state a significance level of 0.1.
The sample proportion is
The standard deviation is
The test statistic z is calculated as
The P-value of z=0.247 is P=0.8. This value is bigger than the significance level, so the efect is not significant.
It is failed to reject the null hypotehesis. There is no enough evidence that the proportion of investors who are risk-averse is not 0.6.