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2 years ago

Can the probability of an event ever be greater than 1? Explain your answer

Mathematics

2 answers:

givi [52]2 years ago

7 0

Answer:

No you can not

Step-by-step explanation:

You cant have a probability greater than 1 because then the probability would be false

dusya [7]2 years ago

4 0

Answer:

yes or no

Step-by-step explanation:

Probability is based off of option possible, if you have only one out of one possible options the answer will be no, but if you have more than one option than yes absolutely, you can have a probability of an event ever be greater than one.

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A tv has height:width in ratio 9:16. In a scale drawing the height is 4.5cm. What would the width be?

ehidna [41]

$\frac{4.5}{width}=\frac{9}{16}\\\\cross\ multiply.\\16\times4.5=9(width)\\72=9(width)\\\boxed{width=8\ cm}$

6 0

2 years ago

One of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average

Nonamiya [84]

Answer:

0.0930

Step-by-step explanation:

Given that one of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average, 6 days.

she tests a one-sided alternative about the population mean cold duration when drinking coffee, H0: μcoffee = 6 Ha: μcoffee < 6 She finds z = −1.68 with one-sided P-value P = 0.0465.

If hypotheses changed to two tailed as:

$H_0: \mu_{coffee} = \mu_{tea}\\H_a: \mu_{coffee}\neq \mu_{tea}$

(Two tailed test)

Since we have mean difference and std error the same, test statistic would remain the same.

p value for two tailed would be = twice the p value for one tail

= $2(0.0465)\\= 0.0930$

6 0

2 years ago

What grade is 92% out of 115

KatRina [158]

To calculate this, we need to do the following:

92 * 115 = 10580 (we first multiply the percentage with our number)

10580 / 100 = 105.8 (and divide what we get by 100 to get the final answer)

And this is also already the answer: 105.8

5 0

2 years ago

Robert is 10 years older than her brother. In 2 years, Robert will be three times as old as his brother. How old are they now?

valentina_108 [34]

Robert is 13 and his brother is 3 y.o.
X... brother’s age
X+10... Robert’s age
X+10+2... Robert’s age in 2 years
X+2...Brother’s age in 2 years
X+10+2/x+2=3
X=3
X+10=13

6 0

2 years ago

An artist mixes yellow an blue paint to make the perfect shade of green. she uses 2 ounces of blue paint for every 7 ounces of y

Alex Ar [27]

Answer:

Step-by-step explanation:

2 times 6 is 12

So 7 times 6 is 42 ounces

6 0

2 years ago

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Can the probability of an event ever be greater than 1? Explain your answer​

Can the probability of an event ever be greater than 1? Explain your answer