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1 year ago

Brainliest if it is right

Mathematics

2 answers:

Elena-2011 [213]1 year ago

7 0

Answer:

there are three ( 3 ) possible outcomes that are 1,2 and 3

DiKsa [7]1 year ago

4 0

Typically, I would say 3. So there's always that. But it could also be 4 because your spinner could land on a line. So I would say either 3 or 4.

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Last year, 50% of MNM. Inc. employees were female. It is believed that there has been a reduction in the percentage of females i

Serhud [2]

Answer:

We conclude that there has been a significant reduction in the proportion of females.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 400

p = 50% = 0.5

Alpha, α = 0.05

Number of women, x = 118

First, we design the null and the alternate hypothesis

$H_{0}: p = 0.50\\H_A: p < 0.50$

This is a one-tailed test.

Formula:

$\hat{p} = \dfrac{x}{n} = \dfrac{118}{400} = 0.45$

$z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

Putting the values, we get,

$z = \displaystyle\frac{0.45-0.50}{\sqrt{\frac{0.50(1-0.50)}{400}}} = -2$

Now, we calculate the critical value.

Now, $z_{critical} \text{ at 0.05 level of significance } = -1.645$

Since the calculated z-statistic is less than the critical value, we fail to accept the null hypothesis and reject it. We accept the alternate hypothesis.

Thus, there has been a significant reduction in the proportion of females.

3 0

2 years ago

Simply the Expression.

telo118 [61]

32768
x
10
There’s something wrong with the question re check it

4 0

2 years ago

1. On average, a person blinks 15 times in a minute. Determine the number oftimes a person would blink for an entire day.

Inessa05 [86]

Answer:

21,600

Step-by-step explanation:

minutes in a day: 1,440

1,440 x 15 = 21,600

5 0

2 years ago

I need help with c. maybe b if i got it wrong too.

Pepsi [2]

Sent the solution and how I solved it.

4 0

3 years ago

8/9 + (-5/6) _________ 1/6

Bezzdna [24]

Hellloooooooodoodordododododod

4 0

2 years ago