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Llana [10]
3 years ago
13

In a harris poll of 500 human resource professionals, 150 said that body piercings and tattoos were big grooming red flags. use

a 0.01 significance level to test the claim that less than 50% of all human resource professionals say that body piercings are big grooming red flags. answer question 1 to 4 to complete the hypothesis test.
Mathematics
1 answer:
Aloiza [94]3 years ago
5 0

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Please help i’m not understanding
ratelena [41]

Answer:

D is not a supported statement

Step-by-step explanation:

Let take them one by one:

A: from table: 0.57; in statement: 0.5

0.57 > 0.5 so this is supported

B: from table: 0.2+0.16=0.36; in statement: 1/3=0.33,

0.36>0.33 so this is supported

C: 0.07 is the least, so this is supported

D: the table DOES NOT show number of students, but proportions. So statement '7 students' IS NOT supported

E: from table 0.20 overslept. 0.2 < 1/4=0.25, so this is supported

8 0
2 years ago
A wheel on Aldo's bicycle is 1.1 ft in diameter. Aldo races the bicycle for 110 ft . How many times does the wheel turn as the b
Svetllana [295]
Circumference = PI x Diameter

circumference of tire = 3.14 x 1.1 = 3.454 feet

 so every full turn of the tire the bike travels 3.454 feet

110 feet / 3.454 =  31.8 turns
3 0
3 years ago
2. John has written too many checks
nignag [31]
127.98 money he need
4 0
2 years ago
Yolanda participated in a walkathon in which each kilometer walked raised $10 for charity. Her goal was to raise more than $300
KiRa [710]

Answer:

B

Step-by-step explanation:

She needed to raise at least $250

$250 divided by $10 equals 25 km

So she need more than 25km to raise over $300

3 0
3 years ago
3b – 7 &lt; 32 I don't know the answer help !!
Nuetrik [128]
If your solving for B then its B<43/3
7 0
3 years ago
Read 2 more answers
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