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3 years ago

14

A deck of cards is shuffled. what is the chance that the top card is the king of spades and the bottom card

1 answer:

Elanso [62]3 years ago

7 0

<span>After shuffling a deck of cards in order to know the probability of the king of spades being the top card, you have to first know how many cards are in the deck. If the card is a full deck with no jokers, then the probability is 1/52. This is also the probability that the bottom card is the King of spades.</span>

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Tomtit [17]

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2.30/60 + 20/60 + 15/60 + 12/60 + 10/60 = 1.45

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2 years ago

3. Suppose you are testing H0 : µ = 20 vs H1 : µ > 20. The sample is large (n = 71) and the variance, σ 2 , is known. (a) Fin

LUCKY_DIMON [66]

Answer:

We reject the null hypothesis.

Step-by-step explanation:

We are given the following information in the question:

Sample size, n = 71

Population variance is known.

Level of significance, α = 0.08

$z_{\text{stat}} = 1.56$

The null and alternate hypothesis are:

$H_{0}: \mu = 20\\H_A: \mu > 20$

We use one-tailed z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} } = 1.56$

Now, $z_{critical} \text{ at 0.08 level of significance } = 1.41$

Since,

$z_{stat} > z_{critical}$

We fail to accept the null hypothesis and reject it and accept the alternate hypothesis.

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3 years ago

Can you guys help ?

kobusy [5.1K]

The answer is .52
glad 2 help

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2 years ago

If eat 1 apple and then i eat another how many apples have i eaten in total

stealth61 [152]

2 apples. Because you ate one already and you eat another one that equals 2

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elena55 [62]

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Step-by-step explanation:

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