Rewrite as an equation.log3(9)=xlog3(9)=xRewrite log3(9)=xlog3(9)=x in exponential form using the definition of a logarithm. If xx and bb are positive real numbers and bb does not equal 11, then logb(x)=ylogb(x)=y is equivalent to by=xby=x.3x=93x=9Create equivalent expressions in the equation that all have equal bases.3x=323x=32Since the bases are the same, the two expressions are only equal if the exponents are also equal.x=2x=2The variable xx is equal to 22.2

7 0

3 years ago

As an introduction to probability, a student asked to roll a fair, six sided number cube seven times the results of those seven

frosja888 [35]

Using it's concept, the standard deviation of the data is of 3.742.

<h3>What are the mean and the standard deviation of a data-set?</h3>

The mean of a data-set is given by the sum of all values in the data-set, divided by the number of values.

The standard deviation of a data-set is given by the square root of the sum of the differences squared between each observation and the mean, divided by the number of values.

For this data-set, the mean is:

M = (1 + 4 + 4 + 4 + 4 + 6 + 5)/7 = 4.

Hence the standard deviation is:

$S = \sqrt{\frac{(1 - 4)^2 + (4 - 4)^2 + (4 - 4)^2 + (4 - 4)^2 + (4 - 4)^2 + (6 - 4)^2 + (5 - 4)^2}{7}} = 3.742$

More can be learned about the standard deviation of a data-set at brainly.com/question/12180602

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3 0

2 years ago