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Tema [17]
3 years ago
6

How do you write 91% as a decimal?

Mathematics
2 answers:
musickatia [10]3 years ago
7 0
Percentages are easy to turn into a decimal. 0.91 as a decimal is 91%, and 0.47 is 47%. If you have a percentage such as 132% then it is 1.32. Hope this helps
vlada-n [284]3 years ago
3 0

the answer is .91 because you have to move the decimal two places to the left
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The following observations are on stopping distance (ft) of a particular truck at 20 mph under specified experi- mental conditio
zzz [600]

Answer:

see explaination

Step-by-step explanation:

Data : 32.1 , 30.6 , 31.4 , 30.4 , 31.0 , 31.9

Mean X-bar = 31.23

SD = 0.689

a)

Null Hypothesis : Xbar = mu

Alternate Hypothesis : Xbar > mu

z = (Xbar - mu) / (SD/sqrt(n))

= (31.23 - 30 ) /(0.689/sqrt(6))

= 4.372

P-value = ~0

Since P-vale < 0.01 , we will reject null hypothesis.

The data suggest that true average stopping ditance exceeds the maximum.

b)

i) SD = 0.65

mu = 31

z = (Xbar - mu) / (SD/sqrt(n))

= (31.23 - 31) /(0.65/sqrt(6))

= 0.867

P-value = 0.3859 Answer

ii) SD = 0.65

mu = 32

z = (Xbar - mu) / (SD/sqrt(n))

= (31.23 - 32) /(0.65/sqrt(6))

= -2.9

P-value = 0.0037 Answer

c)

i) SD = 0.8

mu = 31

z = (Xbar - mu) / (SD/sqrt(n))

= (31.23 - 31) /(0.8/sqrt(6))

= 0.704

P-value = 0.4814 Answer

ii) SD = 0.8

mu = 32

z = (Xbar - mu) / (SD/sqrt(n))

= (31.23 - 32) /(0.8/sqrt(6))

= -2.357

P-value = 0.0184 Answer

The probabilities obtained in part c are comparatively higher than that of part b.

d)

i) For alpha =0.01

z = (Xbar - mu) / (SD/sqrt(n))

=> -2.32 = (31.23 - 31) /(0.65/sqrt(n))

=> (0.65/sqrt(n)) = (31.23 - 31)/-2.32

=> sqrt(n) = (0.65*(-2.32)) / (31.23 - 31)

=> n = 43 Answer

ii) For beta =0.10

z = (Xbar - mu) / (SD/sqrt(n))

=> -1.28 = (31.23 - 31) /(0.65/sqrt(n))

=> (0.65/sqrt(n)) = (31.23 - 31)/-1.28

=> sqrt(n) = (0.65*(-1.28)) / (31.23 - 31)

=> n = 13 Answer

4 0
3 years ago
A model for my number has 6 ones blocks, 2 hundreds blocks and 3 tens blocks what number am i?
Hatshy [7]
236

2 hundreds + 3 tens + 6 ones or
200 + 30 + 6
236
5 0
3 years ago
A college bookstore marks up the price that it pays the publisher for a book by 35%.  If the selling price of a book is $54.00,
Marina CMI [18]
The answer is $18.90 because 35% of 54.00 is $18.90
6 0
3 years ago
Read 2 more answers
How do you divide 85 and 5?
AVprozaik [17]
Division is like sharing so 85 things that are shared between 5 people
85÷5=17 that is how much each person gets
so 17 is your answer
5 0
3 years ago
Read 2 more answers
Four different beverages are sold at a​ fast-food restaurant: soft​ drinks, tea,​ coffee, and bottled water. Explain why the typ
suter [353]

Answer:  The values of the variable can only be placed into categories.

Step-by-step explanation:

Type list of beverage sold is a categorical variable because the values of the variable can only be placed into categories.

A categorical variable, also referred to as nominal variable. is a variable which consist of two or more categories, this usually does not involve special ordering of the categories.

8 0
3 years ago
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