How many different arrangements of the letters in the word SCHOOL are there?

Mathematics

2 answers:

enot [183]3 years ago

7 0

S. C. H. O. O. L.

S-six

C-Cruel

H-hours

O-of

O-our

L-Life’s

pogonyaev3 years ago

4 0

36; there are 6 letters in the word school so if you multiple it by 6 which is the amount of different places one letter could be, the result would be 36

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Use the dchnition of similarity to solve the following problem.

sveta [45]

Answer:

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A normally distributed random variable with mean 4.5 and standard deviation 7.6 is sampled to get two independent values, X1 and

mr Goodwill [35]

Answer:

Bias for the estimator = -0.56

Mean Square Error for the estimator = 6.6311

Step-by-step explanation:

Given - A normally distributed random variable with mean 4.5 and standard deviation 7.6 is sampled to get two independent values, X1 and X2. The mean is estimated using the formula (3X1 + 4X2)/8.

To find - Determine the bias and the mean squared error for this estimator of the mean.

Proof -

Let us denote

X be a random variable such that X ~ N(mean = 4.5, SD = 7.6)

Now,

An estimate of mean, μ is suggested as

$\mu = \frac{3X_{1} + 4X_{2} }{8}$