Prove (dy/dx)2=(E-1)2 I can't understand is it a mathematical prove or statistical

Prove (dy/dx)2=(E-1)2 I can't understand is it a mathematical prove or statistical

Multiple choice answer: 85, 95, no mode, 80. With solution

Use the frequency distribution table below showing a sample data set for 10 students on a test with a maximum score of 12 to find the mean score. Score Frequency 1...

This is a Stats problem that I need an answer for.

Assuming you are rolling a pair of fair six-sided dice so that your random variable X is the sum of the two up faces. Recall that the population mean and standard deviation are: μX=7, σX= 1.707825 If...

A brand name has aa 6060?% recognition rate. Assume the owner of the brand wants to verify that rate by beginning with a small sample of 55 randomly selected consumers. Complete parts? (a) through...

In the past, the value of houses a local realtor has sold is normally distributed with a mean of $244,000 with a standard deviation of $63,000. How much does a house have to sell for so that the house...

Hello, I have several problems like this in my homework. I need to show "by hand" each step and each calculation. If you could use this problem and show my each step for Part...

The football coach at State University wishes to determine if there is a decrease in offensive production between the first half and the second half of his team's recent games. The table below shows...

Statistics homework question

A programmer plans to develop a new software system. In planning for the operating system that he will? use, he needs to estimate the percentage of computers that use a new operating system. How many...

mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 51 and 69 is 99.7%,78%,95%,68%

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 X1 6 2 5 3 2 5...

Suppose that scores on the mathematical portion of the SAT college-entrance examination have a mean of 500 with a standard deviation of 100 and are normally distributed. A university that Maria wants...

According to a national poll of 250 college students, 62% play video games more than 6 hours a week. Find the margin of error and the 95% confidence interval for the survey. 3. The...

A nonnegative integer-valued random variable X has a CDF of the form F(x)=1-(1/5)^x for x=1,2,.....and zero otherwise. Find P(X is odd)? could you please help me with that?

A lot consists of 15 articles of which 8 are free of defects ,4 have minor defects and 3 have major defects.Five articles are selected at random without replacement find probability that at most one...

A bank manager decides to study waiting times of customers for teller service at the noon lunch hour (noon to 1pm). He selects one customer every 20 minutes to measure the time the customer enters...

It is an experimental study where 10 rats are given same treatment. then they are divided in two groups, A and B. A is used in a set of study giving value for variable X. B is used in another study...

Suppose a lie detector test has the following properties.If the suspect is telling the truth,the lie detector will correct say so with probability 0.85.if the suspect is lying ,it will correctly identify...

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