A Bus can travel 18 3/8 km in an hour. how far can it travel in 3/8 hours

Answer:

Jim will incur a loss of $2,400 in the 60-day period under review

Step-by-step explanation:

The question is incomplete. However, one assumption was made in attempting the question, ie, the timeframe was set at 60-days:

Jim likes to day-trade on the internet. On a good day, he averages a $1100 gain. On a bad day, he averages a $900 loss. Suppose that he has good days 25% of the time, bad days 35% of he time, and the rest of the time he breaks even, *what is Jim's balance after a 60-day period* ?

Solution

From the question, given period X = 60 days, and;

Jim's streak is as follows: 0.25X Profit : 0.35X Loss : (100 - (0.25+0.35) Even

Jim's streak = 0.25*60 : 0.35*60 : 0.4*60 = 15 + 21 + 24 (days)

15 profitable days = 15 * $1100 = $16,500

21 bad days 21*$900 = $18,900

24 even days = 24*$0 = $0

Balance after 60 days = $16500+(-$18900)+$0 = $16500-$18900 = -$2400

Final answer:

The expected daily value for Jim's day-trading hobby is -$40, meaning he should expect to lose $40 per day. Over three weeks of trading every weekday, this amounts to a total expected loss of -$600.

Explanation:

The subject of this question is expected value, a concept in probability and statistics, which essentially means the average result of a large number of trials in an experiment. In Jim's case, three possible outcomes are concerning his day-trading hobby: a good day ($1100 gain), a bad day ($900 loss), and a break-even day ($0 gain or loss).

Here's how we calculate:

• A good day: 25% * $1100 = $275
• A bad day: -35% * $900 = -$315
• A break-even day: 40% * $0 = $0

The expected value of one day of trading for Jim is thus: $275 - $315 + $0 = -$40.

If Jim trades every weekday for three weeks (that is, 15 days), we can multiply the daily expected value by 15. So, Jim should expect to lose $40 * 15 = -$600 over three weeks.

Learn more about Expected Value here:

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The complete question is given below:

Jim likes to day-trade on the Internet. On a good day. he averages a $1100 gain. On a bad day, he averages a $900 loss. Suppose that he has good days 25% of the time, bad days 35% of the time, and the rest of the time he breaks even.

a. What is the expected value for one day of Jim's day-trading hobby?

b. If Jim day-trades every weekday for three weeks, how much money should he expect to win or lose?

Answer:

The expression given in the question i.e 6x + 6 + 5x - 8 in the simplified form is 11x -2 .

Step-by-step explanation:

As given the expression in the question be as follow .

= 6x + 6 +5x -8

Simplify the above expression and it can be written as .

= 6x + 5x + 6 - 8

= 11x -2

Therefore the expression given in the question i.e 6x + 6 + 5x - 8 in the simplified form is 11x -2 .