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2 years ago

Answer plzzzz I need it ok

Mathematics

1 answer:

Mariana [72]2 years ago

4 0

Answer:

There are 26 different possible outcomes. the probability of the computer choosing the first letter of your name is 1 out of 26.

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(7 points) Cars arrive at a toll both according to a Poisson process with mean 80 cars per hour. If the attendant makes a two-mi

saveliy_v [14]

Answer:

The probability that at least 1 car arrives during the call is 0.9306

Step-by-step explanation:

Cars arriving according to Poisson process - 80 Cars per hour

If the attendant makes a 2 minute phone call, then effective λ = 80/60 * 2 = 2.66666667 = 2.67 X ≅ Poisson (λ = 2.67)

Now, we find the probability: P(X≥1)

P(X≥1) = 1 - p(x < 1)

P(X≥1) = 1 - p(x=0)

P(X≥1) = 1 - [ (e^-λ) * λ^0] / 0!

P(X≥1) = 1 - e^-2.67

P(X≥1) = 1 - 0.06945

P(X≥1) = 0.93055

P(X≥1) = 0.9306

Thus, the probability that at least 1 car arrives during the call is 0.9306.

5 0

2 years ago

Evaluate the difference between 5.1 and 1.8

Crank

Step-by-step explanation:

to evaluate the difference between them so,

subtract 1.8 by 5.1

so,

5.1 - 1.8 = 3.3

so difference between them is 3.3

hope this answer helps you dear..take care and may u have a great day ahead!

5 0

2 years ago

Read 2 more answers

The radius of a circle is 2.9 in. Find the circumference to the nearest tenth.

ELEN [110]

Answer:

$\bf \large 20 \: inches$

Step-by-step explanation:

<h2>Given that :</h2>

The radius of a circle is 2.9 in.

Find the circumference to the nearest tenth.

<h2>formulas used :</h2>

circumference = 2 × π × r

where,

π = 22/7
r = 2•9 inches

<h2>explanation :</h2>

⟼ c = 2πr

⟼ c = 2 × 22/7 × 2•9 inches

⟼ c = 2 × 3•14 × 2•9 inches

⟼ c = 6•28 × 2•9 inches

⟼ c = 18•21 inches.

<h2>Round to the nearest tenth :</h2>

⟼ c = 18•21 inches

⟼ c = 20 inches

∴ circle circumference is 20 inches .

3 0

2 years ago

A club orders 124 T-shirts at a cost of $18.00 each. Would the better estimate for the cost of the T-shirts be $1,000 or $2,000?

castortr0y [4]

Answer:

$2,000

Step-by-step explanation:

Since the actual answer is greater than 2,000, the estimation would be 2,000

4 0

3 years ago

Read 2 more answers

Convert 0.595 into percent

Nadusha1986 [10]

Answer:

Hi there!

Your answer is:

59.5%

Step-by-step explanation:

To chance a demical into a percent, multiply by 100!

.595 × 100 = 59.5%

I hope this helps!

4 0

3 years ago

Read 2 more answers