What strategy should a teacher use?

SAT

1 answer:

marysya [2.9K]3 years ago

4 0

The teaching strategy

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15. For a random sample of n = 64, find the probability of a sample mean being

mart [117]

Answer:

0.9726

Explanation:

The computation of the probability of a sample mean is shown below:

$P(\bar x < 24.3)$

To find the probability first we have to determine the z score which is

$z = \frac{\bar x - \mu_{\bar x}}{\sigma_{\bar x}} \\\\ = \frac{\bar x - \mu }{\frac{\sigma}{\sqrt{n} } } \\\\ = \frac{24.3 - 24}{\frac{1.25}{\sqrt{64} } }$

= 1.92

Now probability is

$P(\bar x < 24.3) \\\\= P(z < 1.92)$

= 0.9726

Hence, the probability of the sample mean is 0.9726

We simply applied the above formulas to determined the probability of a sample mean and the same is to be considered

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3 years ago

Which statement is always true when describing sex-linked inheritance?.

klio [65]

Answer:

The alleles are found on the X or Y chromosome.

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3 years ago

A company purchased manufacturing equipment 5 years ago for $50,000. book value is currently $5,000 and the remaining useful lif

GalinKa [24]

Since purchasing new gear will reduce cash flow by $5,000, the corporation should keep its old equipment, and the calculation can be defined as follows:

<h3 /><h3>Calculating the Total decrease in net income:</h3>

The following are the costs if the company keeps the old equipment:

$\to$ $30,000 x 3 years = $90,000 So, the total cost is $90,000.