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3 years ago

You flip a fair coin

Mathematics

2 answers:

Lana71 [14]3 years ago

8 0

The probability of heads for one flip of a fair coin is
P(heads) = 1/2 =0.50

Allisa [31]3 years ago

4 0

Answer: 0.50

Step-by-step explanation:

The given statement :- You flip a fair coin

The outcomes of flipping a fair coin : Tail or Heads

i.e. the total number of possible outcomes =2

The number of favorable outcome (Head)=1

Now, if you flip a fair coin the probability of getting head is given by :-

$\text{P(Head)}=\dfrac{\text{Favorable outcome}}{\text{Total outcomes}}\\\\=\dfrac{1}{2}=0.50$

Hence, $\text{P(Head)}=0.50$

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Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value u

Mashutka [201]

Answer:

The critical z value used to test a null hypothesis is ±1.75.

Step-by-step explanation:

We are given that the data has a normal distribution and the number of observations is greater than fifty.

Also, the hypothesis given to us is;

Null Hypothesis, $H_0$ : $\mu$ = 3.24

Alternate Hypothesis, $H_1$ : $\mu\neq$ 3.24

This means that our test is two-tailed because in the alternate hypothesis we are concerned with mean value is less than or greater than 3.24.

Also, level of significance (α) = 0.08

Now, for two-tailed test level of significance becomes = $\frac{\alpha}{2} =\frac{0.08}{2}$ = 0.04

So, in the z-table the critical value of x at 4% significance level is given as 1.75.

Since, this is two-tailed test so the critical z value used to test a null hypothesis would be ±1.75.

7 0

3 years ago

What is the midpoint between (-6,2) and (10,4)

mario62 [17]

Answer:

(2,3)

Step-by-step explanation:

To find the x-coordinate of the midpoint, find the average of -6 and 10. It is 4/2, or 2.

To find the y-coordinate, proceed similarly. Find the average of 2 and 4. It is 3.

Thus, the midpoint is (2, 3).

7 0

3 years ago

True or False?

Annette [7]

True because the 8 meters can be split up in 2 qnd

6 0

3 years ago

Read 2 more answers

Solve each equation for the unknown 1. 5 + y = 7. 2. 3.8 = a + 2.5 5. + p = 9 1/3

Alexxandr [17]

Answer:

1. 5 + y = 7

⇒ y = 7 - 5

⇒y = 5

2. 3.8 = a + 2.5

⇒ a = 2.5 - 3.8

⇒ a = -1.3

3. 5 + p = 9 1/3 

⇒ p = 9 1/3 - 5

⇒ p = 28/3 - 5

⇒ p = 28/3 - 15/3

⇒ p = 13/3

⇒ p = 4 1/3

3 0

3 years ago

Read 2 more answers

Whats the answer to 3,000(6-2) + 3,000

yuradex [85]

The answer is 15000

$3000 \times ( 6 - 2) = 12000 + 3000 = 15000$
3000*6=1800
3000*-2=-6000
18000-6000=12000
12000+3000=15000

8 0

4 years ago