2 years ago

Pleas help I don’t understand this

Mathematics

1 answer:

Leokris [45]2 years ago

6 0

I don’t know either, try multiplying them together?

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Suppose the number of free throws in a basketball game by one player are normally distributed with a standard deviation 0.97 fre

babunello [35]

Answer: 1.960

Step-by-step explanation:

The value of z we use to calculate a confidence interval with a ( $1-\alpha$ ) confidence level is a two-tailed test value i.e. represented by :-

$z_{\alpha/2}$

Given : The level of confidence: $1-\alpha=0.95$

Then, significance level : $\alpha: 1-0.95=0.05$

With the help of standard normal distribution table for z , we have

$z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.960$

Hence, the value of z should be used to calculate a confidence interval with a 95% confidence level =1.960

3 0

3 years ago

What is the elasped time 9:00- 4:30

LuckyWell [14K]

12-9=3

3+12+4,5=19,5

19 hours and 30 min

8 0

3 years ago

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What is the standard form of the equation y=3/4x-6

umka21 [38]

Answer :

y=3/4x-6

explanation:

it is already in standard form.

6 0

2 years ago

Question

yuradex [85]

Answer:

(30, ∞)

Step-by-step explanation:

b – 27 > 3

Add 27 to both sides

b > 30

In interval notation

(30, ∞)

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2 years ago

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What are the values of x in the equation x(x-6)=4(x+6)?

Kitty [74]

$x(x-6)=4(x+6)\\
x^2-6x=4x+24\\
x^2-10x-24=0\\
x^2+2x-12x-24=0\\
x(x+2)-12(x+2)=0\\
(x+2)(x-12)=0\\
x=-2 \vee x=12$

5 0

3 years ago