Is 6.5 greater then 4?

Mathematics

2 answers:

Vladimir [108]4 years ago

6 0

Answer: yes

Step-by-step explanation:

6.5 is also known as 6 1/2 which on a number line is more right than 4

S_A_V [24]4 years ago

5 0

Answer:

yes

6.5 > 4

6.5 - 4 > 0

2.5 > 0

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2. One important factor in inventory control is the variance of the daily demand for a product. Management believes that demand

salantis [7]

Answer:

we reject H0 and conclude that management's belief about variance is untrue.

Step-by-step explanation:

H0 : σ² = 250

H1 : σ² ≠ 250

Sample size, n = 25

xbar = 50.6 ; s² = 500

α = 0.01 ;

The test statistic :

χ² = [(n - 1)s²] ÷ σ²

χ² = [(25 - 1)* 500] ÷ 250

χ² = (24 * 500) / 250

χ² = 12000 / 250

χ² = 48

The critical value:

df = n-1 ; 25 - 1 = 24

χ²(0.01/2 ; 24) = 45.559

Decison :

Reject H0 : if |χ² statistic| > critical value

Since 48 > 45.559

Hemce, we reject H0 and conclude that management's belief about variance is untrue.

4 0

3 years ago

Please Help

MAVERICK [17]

Answer:

Domain: (−∞, 0) ∪ (0, ∞); Range: (−∞, 0) ∪ (0, ∞)

Step-by-step explanation:

See attachment.

We want to find the domain and range of the function $f(x)=\frac{3}{5} x^5$ .

The domain is the set of all possible x-values that are included in the function, while the range is the set of all possible y-values that are included in the function.

Look at the graph.

We can see that the x-values can go into infinity except when approaching the line x = 0. Here, the function will never touch x = 0 because that would make the graph undefined. So, we can say that the domain is all real numbers except for x = 0, or (−∞, 0) ∪ (0, ∞).

It's the same thing with the y-values. Although it looks like the line is touching the y-axis, or the line y = 0, the graph actually is not - it's just going really close to it. So, the range is again (−∞, 0) ∪ (0, ∞).

Thus, the answer is D.