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Yuki888 [10]
3 years ago
12

While measuring specimens of nylon yarn taken from two spinning machines, it was found that 9 specimens from the first machine h

ad a mean denier of 9.17 with a standard deviation of 1.81, while 12 specimens from the second machine had a mean denier of 7.33 with a standard deviation of 1.48. Test at the 0.05 level of significance that the mean denier of the first machine is higher than that of the second machine by at least 1.5.
Mathematics
1 answer:
stepladder [879]3 years ago
8 0

kaaaaaaaaaaaaaaaaabbbichaStep-by-step explanation:

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So I don't if I'm right help would be much appreciated
lukranit [14]

Answer:

A is the correct equation

Step-by-step explanation:


3 0
3 years ago
The figure below shows a shaded region and a nonshaded region. Angles in the figure that appear to be right angles are right ang
serious [3.7K]
16 x 8 = 128 square feet (area of rectangle)

shaded:
8 x 2 = 16
10 x 1 = 10
1/2 (3)(10) = 15

total shaded area: 16+10+15 = 41 square feet
total non-shaded area = 128 - 41 = 87 square feet

answer

area of the shaded region = 41 square feet
area of the non - shaded region = 87 square feet
5 0
4 years ago
Csc0sin20-sec0=cos20sec0​
Mkey [24]

Answer:0

Step-by-step explanation:

(0)0.342-0=0.9397(0)

0=0

sin 20= 0.342

cos 20=0.9397

3 0
3 years ago
Let n be an integer in the conditional statement below.
statuscvo [17]

Answer:

The hypothesis is:   "The last digit of n is zero."

The conclusion is:   "n is divisible by five."

The converse is:   "If n is divisible by five, the the last digit of n is zero."

The contrapositive is:   "If n is not divisble by five, then n does not end in zero."

Step-by-step explanation:

I just took the test :)

5 0
3 years ago
The average NCAA basketball team has 16 players.Two-fiths of the team are an odd number.How many players are a even number?
Korolek [52]
The number of even players is 3/5
3 0
3 years ago
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