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irakobra [83]
3 years ago
12

A card is randomly selected from the standard deck. What is the probability of selecting a red card, the king of spades, or the

ace of clubs?
A: 1/2

B: 7/13

C: 27/52

D: 15/52
Mathematics
1 answer:
lesya [120]3 years ago
8 0

Answer:

d

Step-by-step explanation:

13 red, 1 king of spade, 1 ace of club

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Look at the picture down below and help me out?
d1i1m1o1n [39]
Is 20 and answer because I did this on a calculator and this is the only one to me that would make since
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2 years ago
A picture frame can hold a Photograph that is 16 inches long and 12 inches wide. What is the area of the photo that fits the fra
TEA [102]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
SOLVE FOR BRAINLIEST PLEASE
grandymaker [24]

<u>Answer</u>:

x = 20

<u>Explanation</u>:

all the interior angles in the triangle is 180°

<u>therefore</u>:

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3 0
2 years ago
Read 2 more answers
g "They hired an analyst who collected a random sample of 40,361 Game of Thrones fans, and found that 8,337 of those fans said t
Viktor [21]

Answer:

The lower bound for a 90% confidence interval is 0.2033.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 40361, \pi = \frac{8337}{40361} = 0.2066

90% confidence level

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2066 - 1.645\sqrt{\frac{0.2066*0.7934}{40361}} = 0.2033

The lower bound for a 90% confidence interval is 0.2033.

6 0
3 years ago
Find the sum: −3/4 and 5 /8
Fynjy0 [20]

Answer: -0.125

Explanation: −3/4 + 5/8 = -0.125

Hope this helps

5 0
3 years ago
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