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Crank
3 years ago
10

Multiply. Write the product in simplest form. 6/7 × 6/11 steps and how to. and work

Mathematics
1 answer:
Triss [41]3 years ago
5 0

multiply 6 x 6 to get 36 and 7 x 11 to get 77.

6/7 x 6/11 = 36/77

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2. What unit of measure would you use for the volume of water in a bathtub?
JulsSmile [24]

2. You would use liters for a bathtub.

3.You would use milliliters for a medicine capsule.


7 0
3 years ago
A doctor is measuring the mean systolic blood pressure of female students at a large college. Systolic blood pressure is known t
Nana76 [90]

Answer:

The correct option is (b).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population mean (<em>μ</em>) is:

CI=\bar x\pm z_{\alpha/2}\times\frac{SD}{\sqrt{n}}

The confidence interval for population mean can be computed using either the <em>z</em>-interval or <em>t</em>-interval.

The <em>t</em>-interval is used if the following conditions are satisfied:

  • The population standard deviation is not known
  • The sample size is large enough
  • The population from which the sample is selected is normally distributed.

For computing a (1 - <em>α</em>)% confidence interval for population mean , it is necessary for the population to normally distributed if the sample selected is small, i.e.<em>n</em> < 30, because only then the sampling distribution of sample mean will be approximated by the normal distribution.

In this case the sample size is, <em>n</em> = 28 < 30.

Also it is provided that the systolic blood pressure is known to have a skewed distribution.

Since the sample is small and the population is not normally distributed, the  sampling distribution of sample mean will not be approximated by the normal distribution.

Thus, no conclusion can be drawn from the 90% confidence interval for the mean systolic blood pressure.

The correct option is (b).

5 0
3 years ago
A fork costs £8.95 . Jay buys seven forks . How much does he spend?​
tensa zangetsu [6.8K]

Answer:

£62.65

Step-by-step explanation:

Multiply by seven

8 0
3 years ago
Read 2 more answers
What is the product in lowest terms? 8/15 * -3/10
german
Multiply the numerators and denominators together:

-24/150

Divide the numerator and denominator by 6:

-24 / 6 = -4
150 / 6 = 25

-4/25
4 0
3 years ago
8-1×0+2÷2=? It looks easy, so many different results.
kvasek [131]
You have to use PEMDAS.

8-1*0+2/2 \\  \\ 8-0+2/2 \\  \\ 8-0+1 \\  \\ 8+1 \\  \\ 9
8 0
3 years ago
Read 2 more answers
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