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Dahasolnce [82]
3 years ago
8

Jillian has three different bracelets (x y and z) to give to her friends as gifts In any order she prefers if the bracelet y is

chosen first in how many ways can Jillian give out bracelets
Mathematics
1 answer:
9966 [12]3 years ago
8 0

Answer:

Number of ways to chose bracelet = 2 ways

Step-by-step explanation:

Given:

Total number of bracelet = 3

Y is chosen first

Find:

Number of ways to chose bracelet

Computation:

Y is chosen first so remain number of bracelet is 2

So,

Number of ways to chose bracelet = !2

Number of ways to chose bracelet = 2 × 1

Number of ways to chose bracelet = 2 ways

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A boat is marked up 20% on the original price the original price was $50 what is the sale price of the boat before sales taxes
bezimeni [28]

Answer:

42.9

Step-by-step explanation:

20% of 50 is 10

so its 40

40 + taxes

40 + (40*.0725)

6 0
3 years ago
Arsham is training for a race .after 15 minutes he has 22 laps left to run after 44 minutes he has 2 laps left what is the total
olga55 [171]
 Arsham ran 20 laps because 22- 2= 20.

3 0
3 years ago
ARVB has been reflected as shown in the diagram. What is the length of 7B
bulgar [2K]
The answer would be b
6 0
3 years ago
A genetics experiment involves a population of fruit flies consisting of 1 male named Bart and 3 females named Charlene, Diana,
kenny6666 [7]

Answer:

(b) \frac{1}{2}

Step-by-step explanation:

1 male named Bart (b)

3 females named Charlene(c), Diana(d), and Erin(e).

Since there is replacement, the possible samples are:

bb, bc, be, bd, cb, cc, cd, ce, db, dc, dd, de, eb, ec, ed, and ee.

Total Number of pairs = 16

Event of picking 2 males:bb

Event of 1 male:bc,cb,bd,db,be,eb

Event of picking 0 males:

cc, cd, ce, dc, dd, de, ec, ed, and ee.

\begin{equation*} \begin{matrix}Proportion of males & Probability \\0 & 9/16 \\1 & 6/16 \\2 & 1/16 \end{matrix} \end{equation*}

b. The mean of the sampling distribution

\mu = (\frac{9}{16} X0 ) +(\frac{6}{16} X 1)+(\frac{1}{16} X 2) = \frac{8}{16} = \frac{1}{2}

c.  No; the proportion of males is \frac{1}{4} while the mean is \frac{1}{2}.

B. No, the sample mean is not equal to the population proportion of males. These values are not always equal, because proportion is an unbiased estimator.

7 0
3 years ago
Solve y = log3243. anything helps!
9966 [12]
Y=3.51
You could just plug it into your calculator!
3 0
3 years ago
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