18 pieces of wood each are 1 4/9 feet long what is the total length of wood needed

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Answer 1

Answer:

Answer:

Step-by-step explanation:

hope this help

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The graph shows the distance, y, that a car traveled in x hours: A graph is shown with the x-axis title as Time in hours. The title on the y-axis is Distance Traveled in miles. The values on the x-axis are from 0 to 5 in increments of 1 for each grid line. The values on the y-axis are from 0 to 325 in increments of 65 for each grid line. A line is shown connecting ordered pairs 1, 65 and 2, 130 and 3, 195 and 4, 260. The title of the graph is Rate of Travel. What is the rate of change for the relationship represented in the graph? (1 point) fraction 1 over 65 fraction 1 over 64 64 65
0.05061 to 3 significant numbers
Kenny has a jar full of nickels and dimes. If he counted the money in his jar, how much does he have ?

Can someone help me out on this ASAP??

Answers

Answer:

sin X = cos Y

Step-by-step explanation:

sin X = opp / hyp = 3/5

Cos y = adj / hyp = 3/5

sin X = cos Y

A random sample of size 100 was taken from a population. A 94% confidence interval to estimate the mean of the population was computed based on the sample data. The confidence interval for the mean is: (107.62,129.75). What is the z-value that was used in the computation. Round your z-value to 2 decimal places.

Answers

Answer: 1.88

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\mu\ \pm z_(\alpha/2)(\sigma)/(√(n))$

Given : Significance level : $1-0.94=0.06$

Critical value : $z_(\alpha/2)=z_(0.06/2)=z_(0.03)$

By using the standard normal distribution table for z, we find the critical value of $z_(0.03)$ corresponds to the p-value 0.03.

$z_(0.03)=1.8807936\approx1.88$

Hence, the z-value that was used in the computation must be 1.88 .

You can use both the t statistic and the z statistic to test hypotheses about the mean of population. The test that uses the t statistic is typically referred to as a t test, while the test that uses z statistic is commonly called a z test. Which of the following statements are true of the t statistic? Check all that apply. The t statistic uses the same formula as the z statistic except that the t statistic uses the estimated standard error in the denominator. The t statistic provides an excellent estimate of z, particularly with small sample sizes. The formula for the t statistic is t = (M – μ) / σM. The t statistic does not require any knowledge of the population standard deviation.