CAN SOMEONE PLEASE HELP ME????
1 answer:
Answer:
C. x-int: -1; y-int: 0.5
Step-by-step explanation:
As the line is the straight line so the linear equation corresponds to it has the formula as following:
1) The y-intercept is the point at which the line crosses the y-axis.
The line crosses y-axis at point A(x1; y1), with x1 = 0
As it can be seen in the graph, the line crosses y-axis at point A(0; 0.5)
=> The y-intercept is 0.5
2) The x-intercept is the point at which the line crosses the x-axis.
The line crosses y-axis at point B(x2; y2), with y2 = 0
As it can be seen in the graph, the line crosses x-axis at point B(-1;0)
=> The x-intercept is -1
=> x-int: -1; y-int: 0.5
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Given:
p = 7.6% = 0.076, the percentage of people who stay overnight at the hospital.
E = 1.5% = 0.015, margin of error
95% confidence interval.
The standard error is
Es =
where
n = the sample size.
The margin of error is
where
z* = 1.96 at the 95% confidence level.
Because the margin of error is given, there is no need to calculate it.
The 95% confidence interval is
p +/- E = 0.076 +/- 0.015 = (0.061, 0.091) = (6.1%, 9.1%)
Answer:
The 95% confidence interval is between 6.1% and 9.1%.
p = 7.6% = 0.076, the percentage of people who stay overnight at the hospital.
E = 1.5% = 0.015, margin of error
95% confidence interval.
The standard error is
Es =
where
n = the sample size.
The margin of error is
where
z* = 1.96 at the 95% confidence level.
Because the margin of error is given, there is no need to calculate it.
The 95% confidence interval is
p +/- E = 0.076 +/- 0.015 = (0.061, 0.091) = (6.1%, 9.1%)
Answer:
The 95% confidence interval is between 6.1% and 9.1%.