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Oksana_A [137]
3 years ago
14

Let μ denote the true average reaction time to a certain stimulus. For a z test of H0: μ = 5 versus Ha: μ > 5, determine the

P-value for each of the following values of the z test statistic. (Round your answers to four decimal places.) (a) 1.42 (b) 0.92 (c) 1.96 0 Incorrect: Your answer is incorrect. seenKey 0.0250 (d) 2.43 (e) −0.14
Mathematics
1 answer:
hoa [83]3 years ago
4 0

Answer:

0.0778, 0.1789,0.0250

Step-by-step explanation:

Given that μ denote the true average reaction time to a certain stimulus. For a z test of H0: μ = 5 versus Ha: μ > 5

(Right tailed test)

To find p value:

a) Z = 1.42: p = 0.077804

=0.0779

b) z = 0.92

p value = 0.1789

c)z= 1.96

p value = 0.0250

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A jar contains 8 red marbles numbered 1 to 8 and 4 blue marbles numbered 1 to 4. A marble is drawn at random from the jar. Find
Daniel [21]

Answer:

66.6%

Step-by-step explanation:

The probability that it is blue or odd, would be the quotient between the marbles of these characteristics and the total number of marbles.

Now, we know that there are four blue marbles altogether. The odd ones, in the case of the red ones since there are eight, are the marbles 1,3,5,7 and in the blue ones the odd ones are not counted because they are already included as blue; therefore there are a total of four odd marbles. In total, between odd and blue there are eight marbles.

Which means that the probability is as follows, knowing that there are a total of 12 marbles:

8/12 = 0.666, that is, there is 66.6% chance that the marble that is drawn is blue or an odd number.

4 0
3 years ago
18 1/4 ÷ 8? Will give brainliest​
tigry1 [53]

Answer:

9/16

fillerfillerfillerfiller

7 0
2 years ago
Read 2 more answers
Please help! this is the last one i need and i forgot how to do it!
s2008m [1.1K]

Based on the information, Christian would have $5525.5 of annuity.

<h3>How to calculate the annuity?</h3>

According to given information, the number of coffees per week is 3 then, per month is 3x4 = 12

For each coffee is $4.5. Then monthly expenditure for coffees is 12 x 4.5 = $54

Rate of interest r = 1.6% = 1.6/100 = 0.016 and for monthly compounding r = 0.016/12 = 0.00133

n = number of payments = 8 x 12 = 96

We can use the formula for finding the future value as below

FV = C x [ ( 1 + r )n-1 ] / ( r )

FV = 54 x [ ( 1 + 0.00133 )96 – 1 ] / (0.00133)

= 54 x [ (1.13609 - 1)] / (0.00133)

= 54 x 0.13609 / (0.00133)

= 54 x 102.3233

= 5525.5

Therefore Christian would have $5525.5 of annuity.

Learn more about annuity on:

brainly.com/question/5303391

#SPJ1

3 0
1 year ago
14. eight less than four times a number<br> 15. eight decreased by four times a number
Lapatulllka [165]

Answer:

14. 8 < 4x

15. 8 - 4x

Step-by-step explanation:

Eight -> Number 8

Less than -> Inequality Words -> Less than sign (<)

Decreased -> Negative Words -> Subtract

Times -> Multiply

'A Number' -> A hidden variable -> Typically known as 'x'

5 0
2 years ago
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Two more than four times a number z
Katyanochek1 [597]
The answer to this question is 8 that's the answrb
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