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gayaneshka [121]
3 years ago
7

The mean number of touchdowns per football game is 3.7 with a population standard deviation of 0.9. A random sample of 31 footba

ll games was taken and the probability that the mean number of touchdowns for the sample will be more than 3.9 was found. Was the probability a Left-tail, Right -tail or Interval Probability
Mathematics
1 answer:
frez [133]3 years ago
4 0

Answer:

Right Tail

P(x>3.9)= 0.108

Step-by-step explanation:

In excel, type =NORM.DIST(3.9, 3.7, 0.162, TRUE).

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Pls help me no one helps me
Ahat [919]

Answer:

20% error

Step-by-step explanation:

easy

9.4/7.8 or do 0.078x=9.4

1.20512820513

round to nearest tenth

1.2

means

20% error

4 0
3 years ago
What is the nearest ten thousand of 85,001
Kipish [7]
The answer is 90,000. Just remember 5 or above, give it a shove, and for or below let it go. Because 85 has a five at the end you push it up to 90. Same thing with 85,000 or 85,001. You shove it to 90. If it was 84,000 or 84,999 you would let it go to 80,000. Hope that helped!
6 0
3 years ago
Read 2 more answers
At the beginning of year 1, Bode invests $250 at an annual simple interest rate of 3%. He makes no deposits to or withdrawals fr
xz_007 [3.2K]

Answer:

D.A(n) = 250 + (n – 1)(0.03 • 250); $347.50

Step-by-step explanation:

we know that

The simple interest formula is equal to

A=P(1+rt)

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=(14-1)=13\ years\\ P=\$250\\r=0.03

substitute in the formula above

A=\$250(1+0.03*13)

A=\$250(1.39)=\$347.50

8 0
4 years ago
What's the Mean Absolute Deviation of 46,35,39,33,25,26
Fudgin [204]
<span>Mean Absolute Deviation (MAD): 6</span>
8 0
4 years ago
Read 2 more answers
A rental car agency charges $210.00 per week plus 0.25 per mile to rent a car. How many miles can you travel in one week for $34
Greeley [361]

Answer:

548 miles

Step-by-step explanation:

O.25m + 210 = 347

0.25m = 347 - 210

0.25m = 137

m = 137/0.25

m = 548

4 0
3 years ago
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