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frez [133]
1 year ago
12

The probability of choosing a penny from the 1980s from the bag of pennies without looking is 3/40. Which term best describes th

is probability?
Mathematics
2 answers:
denis23 [38]1 year ago
8 0
I think it is UNLIKELY

Nataly [62]1 year ago
5 0
Unlikely describes this probability
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Under what circumstances will the chi-square test for goodness of fit produce a large value for chi-square? Question options: a.
Whitepunk [10]

Answer:

a.when the sample proportions are much different than the hypothesized population proportions

Step-by-step explanation:

A chi-square test for goodness of fit is used to check the sample data were distributed according to claim or not.

If the chi-square test produces a large value of chi-square statistic then there is not a good fit between sample data and the null hypothesis. So, the sample proportions are much different than the hypothesized population proportions. Hence,Option (a) is correct.

If the goodness of fit produces a large value for chi-square then the sample means must not be close to the population mean. So, option (b) is incorrect.

4 0
1 year ago
$36 for 4 baseball hats; $56 for 7 baseball hats are they equivalent
Arlecino [84]
36/4 = 9 per hat
56/7 = 8 per hat

no, they are not equivalent
5 0
1 year ago
You work two jobs. You earn $11.90 per hour as a salesperson and $10.50 per hour stocking shelves. Your combined earnings this m
andreev551 [17]
11.90y+10.50x=178.50 is the equation
5 0
2 years ago
A volleyball player sets the ball in the air, and the height of the ball after t seconds is given in feet by h= -16^2+12t+6. A t
pychu [463]

Answer:

Step-by-step explanation:

The given function is

h=-16t^2+12t+6

The graph of this function is a parabola that opens downwards

The line h(t)=8 intersects this parabola, when

t=0.5,t=0.25

The teammate can spike the ball after 0.25 seconds or 0.5 seconds.

The two solutions are reasonable. When the volleyball is accelerating into the air, it passes a height of 8 after 0.25 seconds.

When the ball is dropping after it attains maximum height, it attains another height of 8 after 0.5 seconds again.

8 0
1 year ago
Kate deposits $800 in a bank
Rina8888 [55]

Answer:

C

Step-by-step explanation:

Use formula

I=P\cdot r\cdot t,

where

I = interest

P = rpincipal

r = rate (as decimal)

t = time (in years)

In your case,

P = $800

r = 0.04 (4%)

t = 5,

so

I=\$800\cdot 0.04\cdot 5\\ \\I=\$160

6 0
1 year ago
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