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maxonik [38]
3 years ago
5

out of the people who have already signed up for a genetics lecture 6 poeple have brown eyes while 10 people do not. considering

this data how many of the next 8 people to sign up should you expect to be brown eyed?​
Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0

Answer:

3 people

Step-by-step explanation:

If there are 16 people in the first lecture and 6 people have brown eyes, the ratio is 6:16. If in the next lecture there is 8 people, all that needs to be done is halving the numbers in the original ratio (to get 16 to 8). Therefore, the ratio is 3:8, meaning 3 people out of 8 would have brown eyes.

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If you wanted to make a game where you pay $5 if you can't guess a random dogs weight within 16lbs what payout should you offer
ella [17]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

The population std. dev of the dog weight=8

\sigma=8\\\\P(\text{guess with in 16 lbs}) = P(|X-\mu|\leq 16)\\\\=P(-2 \leq Z \leq 2) = 0.9544\\\\

Calculating the payout w s.t:

E[netpay]=0=(-5) \times 0.9544+w\times (1-0.9544)\\\\ w =(5 \times \frac{0.9544}{1-0.9544}) =\$ 104.65

therefore, we assume that the weight of the dog is a normal distribution with std. deviation that is 8.

4 0
3 years ago
Will give the brainliest answer,
IrinaK [193]
The answer to this would be $30.67

First of all APR is the wrong term for interest earned on a deposit. So I'm going to guess that you really mean simple interest. Step one figure the amount in the emergency fund. Since the monthly expenses are $1,157.65, you multiply 4 months times $1,157.65: 4($1,157.65) = $4,606.60

Step 2, figure out how much is 25% of $4,606.60. So change the percent in a decimal by moving the decimal to the left two places. So 25.0 becomes .25. Or you could divide 25 by 100 and get .25 Next multiply .25 times $4,606.60 and you get $1,151.65 for the amount in the savings account.

Step 3, subtract the amount in deposited in the savings account from the total amount in the emergency fund. So you $4,606.60 minus $1,151.65 Which gets you $3,454.95 in the CD.

Step 4, Calculate the interest earned in the savings account. Since the savings account earns 3.3% a year and there are 365 days in a non leap year, divide 3.3% by 365 to find out how much interest is earned a day and multiply it times the amount in the savings account. First change 3.3% to a decimal by moving the decimal point to the left two places. Which gets us .033 So .033 divided by 365 times $1,151.65 Which gets us about $0.104 in interest a day. Finally, multiply the interest earned each day by 60 days. $0.104 times 60 Which gets us about $6.25 in interest earned on the savings account for 60 days.

Step 5, Find the interest earned on the CD. Since the CD earns 4.3% interest a year and there are 365 days in a non leap year, divide 4.3% by 365 to find out how much interest is earned a day and multiply it times the amount in the CD. First change 4.3% to a decimal by moving the decimal point to the left two places. Which gets us .043. So .043 divided by 365 times $3,454.95 Which gets us about $0.407 in interest a day. Finally, multiply the interest earned each day by 60 days. $0.407 times 60. Which gets us about $24.42 in interest earned on the CD for 60 days

Step 6, The total interest earned on the savings account and the CD is: $24.42 + 6.25 = $30.67






7 0
3 years ago
Read 2 more answers
What's the value of x??​
dalvyx [7]

Answer:

the value of x is 30 I think, let me know if im wrong.

Step-by-step explanation:

6 0
3 years ago
5/3+5/3+5/3 = how to solve
Vsevolod [243]
15/3 = 5
divide 15 by 3
8 0
3 years ago
Lynn takes out a loan for $7540 that charges an annual simple interest rate of 6.5%. She does not make any payments for 2 1/2 ye
Amanda [17]

Answer:

The Amount after 2 \dfrac{1}{2} years is $8765.25

Step-by-step explanation:

Given as :

The principal loan amount = p = $7540

The rate of interest = r = 6.5%

The time period of loan = t = 2 \dfrac{1}{2} years = \dfrac{5}{2} years = 2.5 years

Let The Amount after 2.5 years = $A

Now,<u> From Simple Interest method</u>

Simple Interest = \dfrac{\textrm principal\times \textrm rate\times \textrm time}{100}

Or , s. i = \dfrac{\textrm p\times \textrm r\times \textrm t}{100}

Or, s.i =  \dfrac{\textrm 7540\times \textrm 6.5\times \textrm 2.5}{100}

Or, s.i = \dfrac{122525}{100}

Or, s.i = $1225.25

So, The simple interest =  s.i = $1225.25

Now, Again

∵ Amount = Principal + interest

So, A = $7540 + $1225.25

∴  A = $8765.25

So, The Amount after 2 \dfrac{1}{2} years = A = $8765.25

Hence,The Amount after 2 \dfrac{1}{2} years is $8765.25 Answer

4 0
4 years ago
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