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Sidana [21]
2 years ago
12

Steve delivers Chinese and earns $8 an hour. He averages about $10 per hour in tips. About how much does he earn in a 35 hour we

ek?
Mathematics
2 answers:
liq [111]2 years ago
8 0

Answer:

$630

Step-by-step explanation:

The total amount of money Steve earns in a 35 hour week will be sum of the amount he earns from tips and the amount he earns from wage.

In a 35-hour week, Steve earns 35*8=$280 from tips at $8/hr and 35*10=$350 from his work wage of $10/hr.

Therefore he makes a total of 280+350=$630 in a 35-hour week.

allochka39001 [22]2 years ago
3 0

Answer:

630

Step-by-step explanation:

8+10=18 which is 18 dollars a day. and then 18x35

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yanalaym [24]

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a = 4

Step-by-step explanation:

y = 2x + 1 ......(1)

Going through y - y1 = m(x - x1)

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y - 9 = 2(x - a)

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Equating (1) and (2)

2x + 1 = 2x - 2a + 9

Collecting like terms

2x - 2x + 2a = 9 - 1

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3 years ago
Customers arrivals at a checkout counter in a department store per hour have a Poisson distribution with parameter λ = 7. Calcul
IgorLugansk [536]

Answer:

(1)14.9% (2) 2.96% (3) 97.04%

Step-by-step explanation:

Formula for Poisson distribution: P(k) = \frac{\lambda^ke^{-k}}{k!} where k is a number of guests coming in at a particular hour period.

(1) We can substitute k = 7 and \lambda = 7 into the formula:

P(k=7) = \frac{7^7e^{-7}}{7!}

P(k=7) = \frac{823543*0.000911882}{5040} = 0.149 = 14.9\%

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P(k\leq2) = P(k=0)+P(k=1)+P(k=2)

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P(k \leq 2) = \frac{0.000911882}{1} + \frac{7*0.000911882}{1} + \frac{49*0.000911882}{2}

P(k\leq2) = 0.000911882+0.006383174+0.022341108 \approx 0.0296=2.96\%

(3) The probability of having at least 3 customers arriving at a random hour would be the probability of having more than 2 customers, which is the invert of probability of having no more than 2 customers. Therefore:

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4 0
3 years ago
An urn contains 17 white balls and 18 red balls. A sample of four balls is selected at random from the urn. What is the probabil
erik [133]

Answer:

c. 0.3974

Step-by-step explanation:

Given;

number of white balls, W = 17

number of red balls, R = 18

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I do not get what this means
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This means that with certain types of data, mean, median, or mode may be more effective for analysis. 
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