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Nutka1998 [239]
3 years ago
14

I need help on this question

Mathematics
1 answer:
vaieri [72.5K]3 years ago
5 0

I'm guessing it is 10? or 7?

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A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 260 vinyl​ glov
yawa3891 [41]

Answer:

Step-by-step explanation:

pop 1 n₁ = 260, p₁ = 58% = 0.58

pop 2 n₂ = 260, p₂ = 8% = 0.08

Null hypothesis: p₁ ≤ p₂

Alternative hypothesis: p₁ > p₂

The test statistic : p₁-p₂ / √{p-sample (1 - p-sample) (1/n₁ + 1/n₂)}

where p-sample is sample proportion = p₁n₁ +p₂n₂ / n₁+n₂

Thus, p-sample = 0.58x260 +0.08x260 / 260+260 =150.8+20.8 / 520 = 171.6 / 520 = 0.33.

Thus, the test statistic is (0.58 - 0.08) / √[0.33 (1-0.33) (0.0038+0.0038)

  = 0.5 / √[0.33(0.67) (0.0076)

= 0.5 / √0.00168036

= 0.5 / 0.04099

= 12.20

P = P(Z>12.20) = 1-P(Z≤12.20) at a significance level of 0.1= the p-value is less than the hypothesized thus, we have sufficient evidence to reject the null hypothesis and concluding that vinyl gloves have a greater virus leak than latex gloves.

5 0
3 years ago
It is your first semester at college and you take out a $5000 loan and in order to pay off that loan by the end of the semester
kakasveta [241]

Answer:

5000-1250x

Step-by-step explanation:

All you need to do is find the amount of money you get paid a month and use variable x to represent the months and then subtract that from the money you need to pay off.

8 0
3 years ago
worker a earns $7.90 per widget produced, produces 14 widgets per day, and works 10 hours per day. Worker b earns $9.00 per widg
Anni [7]
What are the statements 
3 0
3 years ago
There are 946 milliters in a quart there are 2 pints in a quart
devlian [24]

Answer:

Answer: There are 473 milliliters in 1 pint. ... 946 ml in 1 quart

Step-by-step explanation:

3 0
3 years ago
Ted needs an average of at least 70 on his three history test he has scored already 85 and 60 on two test what is the minimum gr
PilotLPTM [1.2K]
So average=(total of scores)/(number of tests)
needs at least average of 70
at least is represented as greater than or equal to or the sign (<u>></u>)
70<u>></u>(total)/(number oftests)

since we have 3 tests, we have to have 3 scores so
70<u>></u>(x+y+z)/3
he scored 85 and 60
70<u>></u>(x+85+60)/3 (doesn't matter which to subsitute)
70<u>></u>(x+145)/3
multiply obht sides by 3
210<u>></u>x+145
subtract 145 from both sides
65<u>></u>x
he needs to get at leas 65 on his third test





4 0
3 years ago
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